diff --git a/src/System.Management.Automation/help/AliasHelpProvider.cs b/src/System.Management.Automation/help/AliasHelpProvider.cs
index bd790e9fa..1702a76c0 100644
--- a/src/System.Management.Automation/help/AliasHelpProvider.cs
+++ b/src/System.Management.Automation/help/AliasHelpProvider.cs
@@ -126,14 +126,14 @@ namespace System.Management.Automation
         /// <remarks>
         /// This will, 
         ///     a. use _sessionState object to get a list of alias that match the target.
-        ///     b. for each alias, retrive help info as in ExactMatchHelp.
+        ///     b. for each alias, retrieve help info as in ExactMatchHelp.
         /// </remarks>
         /// <param name="helpRequest">help request object</param>   
         /// <param name="searchOnlyContent">
         /// If true, searches for pattern in the help content. Individual 
         /// provider can decide which content to search in.
         /// 
-        /// If false, seraches for pattern in the command names.
+        /// If false, searches for pattern in the command names.
         /// </param> 
         /// <returns>a IEnumerable of helpinfo object</returns>
         internal override IEnumerable<HelpInfo> SearchHelp(HelpRequest helpRequest, bool searchOnlyContent)
diff --git a/src/System.Management.Automation/help/BaseCommandHelpInfo.cs b/src/System.Management.Automation/help/BaseCommandHelpInfo.cs
index 8331d2ed0..8f0bef2a0 100644
--- a/src/System.Management.Automation/help/BaseCommandHelpInfo.cs
+++ b/src/System.Management.Automation/help/BaseCommandHelpInfo.cs
@@ -371,7 +371,7 @@ namespace System.Management.Automation
         }
 
         /// <summary>
-        /// Returs help information for a parameter(s) identified by pattern
+        /// Returns help information for a parameter(s) identified by pattern
         /// </summary>
         /// <param name="pattern">pattern to search for parameters</param>
         /// <returns>A collection of parameters that match pattern</returns>        
diff --git a/src/System.Management.Automation/help/CabinetAPI.cs b/src/System.Management.Automation/help/CabinetAPI.cs
index 59360aabb..4711520c6 100644
--- a/src/System.Management.Automation/help/CabinetAPI.cs
+++ b/src/System.Management.Automation/help/CabinetAPI.cs
@@ -22,7 +22,7 @@ namespace System.Management.Automation.Internal
 
         #region IDisposable Interface
         //
-        // This is a special case of the IDisposable pattern becaue the resource
+        // This is a special case of the IDisposable pattern because the resource
         // to be disposed is managed by the derived class. The implementation here
         // enables derived classes to handle it cleanly.
         //
diff --git a/src/System.Management.Automation/help/CabinetNativeApi.cs b/src/System.Management.Automation/help/CabinetNativeApi.cs
index e82693a39..17172592a 100644
--- a/src/System.Management.Automation/help/CabinetNativeApi.cs
+++ b/src/System.Management.Automation/help/CabinetNativeApi.cs
@@ -196,7 +196,7 @@ namespace System.Management.Automation.Internal
 
     internal static class CabinetNativeApi
     {
-        #region Delegates and function defintions
+        #region Delegates and function definitions
 
         [UnmanagedFunctionPointer(CallingConvention.Cdecl, CharSet = CharSet.Ansi)]
         internal delegate IntPtr FdiAllocDelegate(int size);
@@ -617,7 +617,7 @@ namespace System.Management.Automation.Internal
 
         #endregion
 
-        #region PInvoke Defintions
+        #region PInvoke Definitions
 
         /// <summary>
         /// Creates an FDI context
diff --git a/src/System.Management.Automation/help/CommandHelpProvider.cs b/src/System.Management.Automation/help/CommandHelpProvider.cs
index 1a695d619..ce5a6911e 100644
--- a/src/System.Management.Automation/help/CommandHelpProvider.cs
+++ b/src/System.Management.Automation/help/CommandHelpProvider.cs
@@ -261,7 +261,7 @@ namespace System.Management.Automation
                 if (sb != null)
                 {
                     helpFile = null;
-                    // serachOnlyContent == true means get-help is looking into the content, in this case we dont
+                    // searchOnlyContent == true means get-help is looking into the content, in this case we dont
                     // want to download the content from the remote machine. Reason: In Exchange scenario there
                     // are ~700 proxy commands, downloading help for all the commands and searching in that
                     // content takes a lot of time (in the order of 30 minutes) for their scenarios.
@@ -401,8 +401,8 @@ namespace System.Management.Automation
         /// </summary>
         /// 
         /// <remarks>
-        /// ExactMatchHelp is overrided instead of DoExactMatchHelp to make sure 
-        /// all help item retrival will go through command discovery. Because each 
+        /// ExactMatchHelp is overridden instead of DoExactMatchHelp to make sure 
+        /// all help item retrieval will go through command discovery. Because each 
         /// help file can contain multiple help items for different commands. Directly
         /// retrieve help cache can result in a invalid command to contain valid
         /// help item. Forcing each ExactMatchHelp to go through command discovery 
@@ -591,7 +591,7 @@ namespace System.Management.Automation
                     if (String.IsNullOrEmpty(location))
                     {
                         // If the help file could not be found, then it is possible that the actual assembly name is something like
-                        // <Name>.ni.dll, e.g., MyAsembly.ni.dll, so let’s try to find the original help file in the cmdlet metadata.
+                        // <Name>.ni.dll, e.g., MyAssembly.ni.dll, so let’s try to find the original help file in the cmdlet metadata.
                         location = GetHelpFile(helpFile, cmdletInfo);
                     }
                 }
@@ -794,14 +794,14 @@ namespace System.Management.Automation
             HelpInfo result = GetFromCommandCache(helpFileIdentifier, commandInfo.Name, commandInfo.HelpCategory);
             if (null == result)
             {
-                // check if the command is prefixed and try retreiving help by removing the prefix
+                // check if the command is prefixed and try retrieving help by removing the prefix
                 if ((commandInfo.Module != null) && (!string.IsNullOrEmpty(commandInfo.Prefix)))
                 {
                     MamlCommandHelpInfo newMamlHelpInfo = GetFromCommandCacheByRemovingPrefix(helpFileIdentifier, commandInfo);
                     if (null != newMamlHelpInfo)
                     {
                         // caching the changed help content under the prefixed name for faster
-                        // retreival later.
+                        // retrieval later.
                         AddToCommandCache(helpFileIdentifier, commandInfo.Name, newMamlHelpInfo);
                         return newMamlHelpInfo;
                     }
@@ -824,7 +824,7 @@ namespace System.Management.Automation
             HelpInfo result = GetFromCommandCache(cmdletInfo.ModuleName, cmdletInfo.Name, cmdletInfo.HelpCategory);
             if (result == null)
             {
-                // check if the command is prefixed and try retreiving help by removing the prefix
+                // check if the command is prefixed and try retrieving help by removing the prefix
                 if ((cmdletInfo.Module != null) && (!string.IsNullOrEmpty(cmdletInfo.Prefix)))
                 {
                     MamlCommandHelpInfo newMamlHelpInfo = GetFromCommandCacheByRemovingPrefix(cmdletInfo.ModuleName, cmdletInfo);
@@ -845,7 +845,7 @@ namespace System.Management.Automation
                         }
 
                         // caching the changed help content under the prefixed name for faster
-                        // retreival later.
+                        // retrieval later.
                         AddToCommandCache(cmdletInfo.ModuleName, cmdletInfo.Name, newMamlHelpInfo);
                         return newMamlHelpInfo;
                     }
@@ -862,7 +862,7 @@ namespace System.Management.Automation
         /// original command name (without prefix) as the key.
         /// 
         /// This method retrieves the help content by suppressing the prefix and then making a copy
-        /// of the help contnet + change the name and then returns the copied help content.
+        /// of the help content + change the name and then returns the copied help content.
         /// </summary>
         /// <param name="helpIdentifier"></param>
         /// <param name="cmdInfo"></param>
@@ -882,7 +882,7 @@ namespace System.Management.Automation
             if (null != originalHelpInfo)
             {
                 result = originalHelpInfo.Copy();
-                // command's name can be changed using -Prefix while importing module.To give better user expereience for
+                // command's name can be changed using -Prefix while importing module.To give better user experience for
                 // get-help (on par with get-command), it was decided to use the prefixed command name
                 // for the help content.
                 if (result.FullHelp.Properties["Name"] != null)
@@ -982,7 +982,7 @@ namespace System.Management.Automation
         /// <param name="helpRequest">help request object</param>
         /// <param name="searchOnlyContent">
         /// If true, searches for pattern in the help content of all cmdlets.
-        /// Otherwise, seraches for pattern in the cmdlet names.
+        /// Otherwise, searches for pattern in the cmdlet names.
         /// </param>
         /// <returns></returns>
         internal override IEnumerable<HelpInfo> SearchHelp(HelpRequest helpRequest, bool searchOnlyContent)
diff --git a/src/System.Management.Automation/help/DefaultCommandHelpObjectBuilder.cs b/src/System.Management.Automation/help/DefaultCommandHelpObjectBuilder.cs
index 68538b7b7..2a0b8b0eb 100644
--- a/src/System.Management.Automation/help/DefaultCommandHelpObjectBuilder.cs
+++ b/src/System.Management.Automation/help/DefaultCommandHelpObjectBuilder.cs
@@ -235,7 +235,7 @@ namespace System.Management.Automation.Help
 
                 Collection<CommandParameterInfo> parameters = new Collection<CommandParameterInfo>();
                 // GenerateParameters parameters in display order 
-                // ie., Postional followed by
+                // ie., Positional followed by
                 //      Named Mandatory (in alpha numeric) followed by
                 //      Named (in alpha numeric)
                 parameterSet.GenerateParametersInDisplayOrder(commonWorkflow,
@@ -256,7 +256,7 @@ namespace System.Management.Automation.Help
         /// <param name="obj">HelpInfo object</param>
         /// <param name="parameters">
         /// a collection of parameters in display order 
-        /// ie., Postional followed by
+        /// ie., Positional followed by
         ///      Named Mandatory (in alpha numeric) followed by
         ///      Named (in alpha numeric)
         /// </param>
diff --git a/src/System.Management.Automation/help/HelpCommands.cs b/src/System.Management.Automation/help/HelpCommands.cs
index 18010d41d..edd3678de 100644
--- a/src/System.Management.Automation/help/HelpCommands.cs
+++ b/src/System.Management.Automation/help/HelpCommands.cs
@@ -201,7 +201,7 @@ namespace Microsoft.PowerShell.Commands
 
         private bool _showWindow;
         /// <summary>
-        /// Gets and sets a value indicatuing whether the help should be displayed in a separate window
+        /// Gets and sets a value indicating whether the help should be displayed in a separate window
         /// </summary>
         [Parameter(ParameterSetName = "ShowWindow", Mandatory = true)]
         public SwitchParameter ShowWindow
@@ -397,7 +397,7 @@ namespace Microsoft.PowerShell.Commands
         /// Change <paramref name="originalHelpObject"/> as per user request.
         /// 
         /// This method creates a new type to the existing typenames 
-        /// depending on Detailed,Full,Example parameteres and adds this 
+        /// depending on Detailed,Full,Example parameters and adds this 
         /// new type(s) to the top of the list.
         /// </summary>
         /// <param name="originalHelpObject">Full help object to transform.</param>
@@ -456,7 +456,7 @@ namespace Microsoft.PowerShell.Commands
         }
 
         /// <summary>
-        /// Gets the paramater info for patterns identified Parameter property.
+        /// Gets the parameter info for patterns identified Parameter property.
         /// Writes the parameter info(s) to the output stream. An error is thrown
         /// if a parameter with a given pattern is not found.
         /// </summary>
diff --git a/src/System.Management.Automation/help/HelpCommentsParser.cs b/src/System.Management.Automation/help/HelpCommentsParser.cs
index b63e8a95e..4454714da 100644
--- a/src/System.Management.Automation/help/HelpCommentsParser.cs
+++ b/src/System.Management.Automation/help/HelpCommentsParser.cs
@@ -1140,7 +1140,7 @@ namespace System.Management.Automation
                 }
 
                 // comment block is behind function definition
-                // we don't suport it for configuration delaration as this style is rarely used
+                // we don't support it for configuration declaration as this style is rarely used
                 if (funcDefnAst != null)
                 {
                     startTokenIndex =
diff --git a/src/System.Management.Automation/help/HelpErrorTracer.cs b/src/System.Management.Automation/help/HelpErrorTracer.cs
index 86f76fcd6..693ce3ef0 100644
--- a/src/System.Management.Automation/help/HelpErrorTracer.cs
+++ b/src/System.Management.Automation/help/HelpErrorTracer.cs
@@ -44,10 +44,10 @@ namespace System.Management.Automation
         /// TraceFrame instance exists in a scope governed by using statement. It is possible
         /// that a new TraceFrame instance will be created in the scope of another TraceFrame
         /// instance. The scopes of various live TraceFrame instances form a stack which is 
-        /// similiar to call stacks of normal C# functions. This is why we call this class
+        /// similar to call stacks of normal C# functions. This is why we call this class
         /// a "TraceFrame"
         /// 
-        /// TraceFrame itself implements IDisposable interface to guarrentee a chance to 
+        /// TraceFrame itself implements IDisposable interface to guarantee a chance to 
         /// write errors into system error pool when execution gets out of its scope. During
         /// disposal time, errorRecords accumulated will be written to system error pool 
         /// together with error context information collected at instance creation.
diff --git a/src/System.Management.Automation/help/HelpFileHelpInfo.cs b/src/System.Management.Automation/help/HelpFileHelpInfo.cs
index ec90b6d70..19f0d4ca6 100644
--- a/src/System.Management.Automation/help/HelpFileHelpInfo.cs
+++ b/src/System.Management.Automation/help/HelpFileHelpInfo.cs
@@ -18,7 +18,7 @@ namespace System.Management.Automation
         /// Constructor for HelpFileHelpInfo
         /// </summary>
         /// <remarks>
-        /// This is made private intentally so that the only way to create object of this type
+        /// This is made private intentionally so that the only way to create object of this type
         /// is through 
         ///     GetHelpInfo(string name, string text, string filename)
         /// </remarks>
diff --git a/src/System.Management.Automation/help/HelpInfo.cs b/src/System.Management.Automation/help/HelpInfo.cs
index 0e89dc8ce..1f3e5938c 100644
--- a/src/System.Management.Automation/help/HelpInfo.cs
+++ b/src/System.Management.Automation/help/HelpInfo.cs
@@ -100,7 +100,7 @@ namespace System.Management.Automation
 
         /// <summary>
         /// Target object in forward-help-provider that should process this HelpInfo.
-        /// This will serve as auxilliary information to be passed to forward help provider.
+        /// This will serve as auxiliary information to be passed to forward help provider.
         /// 
         /// In the case of AliasHelpInfo, for example, it needs to be forwarded to 
         /// CommandHelpProvider to fill in detailed helpInfo. In that case, ForwardHelpCategory
@@ -140,7 +140,7 @@ namespace System.Management.Automation
         }
 
         /// <summary>
-        /// Returs help information for a parameter(s) identified by pattern
+        /// Returns help information for a parameter(s) identified by pattern
         /// </summary>
         /// <param name="pattern">pattern to search for parameters</param>
         /// <returns>A collection of parameters that match pattern</returns>
diff --git a/src/System.Management.Automation/help/HelpProvider.cs b/src/System.Management.Automation/help/HelpProvider.cs
index 5da48109a..0310ddb85 100644
--- a/src/System.Management.Automation/help/HelpProvider.cs
+++ b/src/System.Management.Automation/help/HelpProvider.cs
@@ -143,7 +143,7 @@ namespace System.Management.Automation
         /// Retrieve help info that exactly match the target.
         /// </summary>
         /// <param name="helpRequest">help request object</param>
-        /// <returns>List of HelpInfo objects retrived</returns>
+        /// <returns>List of HelpInfo objects retrieved</returns>
         internal abstract IEnumerable<HelpInfo> ExactMatchHelp(HelpRequest helpRequest);
 
         /// <summary>
@@ -154,7 +154,7 @@ namespace System.Management.Automation
         /// If true, searches for pattern in the help content. Individual 
         /// provider can decide which content to search in.
         /// 
-        /// If false, seraches for pattern in the command names.
+        /// If false, searches for pattern in the command names.
         /// </param>       
         /// <returns>a collection of help info objects</returns>
         internal abstract IEnumerable<HelpInfo> SearchHelp(HelpRequest helpRequest, bool searchOnlyContent);
diff --git a/src/System.Management.Automation/help/HelpProviderWithCache.cs b/src/System.Management.Automation/help/HelpProviderWithCache.cs
index 0aa54a036..94a7a1ce7 100644
--- a/src/System.Management.Automation/help/HelpProviderWithCache.cs
+++ b/src/System.Management.Automation/help/HelpProviderWithCache.cs
@@ -93,8 +93,8 @@ namespace System.Management.Automation
         /// </summary>
         /// <remarks>
         /// Derived class can choose to either override ExactMatchHelp method to DoExactMatchHelp method.
-        /// If ExactMatchHelp is overriden, initial cache checking will be disabled by default.
-        /// If DoExactMatchHelp is overriden, cache check will be done first in ExactMatchHelp before the 
+        /// If ExactMatchHelp is overridden, initial cache checking will be disabled by default.
+        /// If DoExactMatchHelp is overridden, cache check will be done first in ExactMatchHelp before the 
         /// logic in DoExactMatchHelp is in place.
         /// </remarks>
         /// <param name="helpRequest">help request object</param>
@@ -110,7 +110,7 @@ namespace System.Management.Automation
         /// If true, searches for pattern in the help content. Individual 
         /// provider can decide which content to search in.
         /// 
-        /// If false, seraches for pattern in the command names.
+        /// If false, searches for pattern in the command names.
         /// </param> 
         /// <returns>a collection of help info objects</returns>
         internal override IEnumerable<HelpInfo> SearchHelp(HelpRequest helpRequest, bool searchOnlyContent)
diff --git a/src/System.Management.Automation/help/HelpProviderWithFullCache.cs b/src/System.Management.Automation/help/HelpProviderWithFullCache.cs
index d7fee1773..4abf27cde 100644
--- a/src/System.Management.Automation/help/HelpProviderWithFullCache.cs
+++ b/src/System.Management.Automation/help/HelpProviderWithFullCache.cs
@@ -64,7 +64,7 @@ namespace System.Management.Automation
         /// If true, searches for pattern in the help content. Individual 
         /// provider can decide which content to search in.
         /// 
-        /// If false, seraches for pattern in the command names.
+        /// If false, searches for pattern in the command names.
         /// </param> 
         /// <returns>a collection of help info objects</returns> 
         internal sealed override IEnumerable<HelpInfo> SearchHelp(HelpRequest helpRequest, bool searchOnlyContent)
diff --git a/src/System.Management.Automation/help/HelpSystem.cs b/src/System.Management.Automation/help/HelpSystem.cs
index 9a6feb4ea..f7927c292 100644
--- a/src/System.Management.Automation/help/HelpSystem.cs
+++ b/src/System.Management.Automation/help/HelpSystem.cs
@@ -17,7 +17,7 @@ namespace System.Management.Automation
     /// <summary>
     /// Monad help is an architecture made up of three layers: 
     ///     1. At the top is get-help commandlet from where help functionality is accessed. 
-    ///     2. At the middel is the help system which collects help objects based on user's request. 
+    ///     2. At the middle is the help system which collects help objects based on user's request. 
     ///     3. At the bottom are different help providers which provide help contents for different kinds of information requested.
     /// 
     /// Class HelpSystem implements the middle layer of Monad Help.
@@ -48,7 +48,7 @@ namespace System.Management.Automation
     /// Help Api:
     ///     Help Api is the function to be called by get-help commandlet. 
     /// 
-    ///     Following information needs to be provided in Help Api paramters, 
+    ///     Following information needs to be provided in Help Api parameters, 
     ///         1. search target: (which can be one or multiple strings)
     ///         2. help type: limit the type of help to be searched.
     ///         3. included fields: the fields to be included in the help info
@@ -145,7 +145,7 @@ namespace System.Management.Automation
             InitializeHelpProviders();
         }
 
-        #endregion Initalization
+        #endregion Initialization
 
         #region Help API
 
@@ -290,7 +290,7 @@ namespace System.Management.Automation
         /// <summary>
         /// Get help based on the target, help type, etc
         /// 
-        /// Help eninge retrieve help based on following schemes,
+        /// Help engine retrieve help based on following schemes,
         /// 
         ///     1. if help target is empty, get default help
         ///     2. if help target is not a search pattern, try to retrieve exact help
@@ -411,7 +411,7 @@ namespace System.Management.Automation
         /// <param name="helpInfo"></param>
         /// <param name="helpRequest">Help request object</param>        
         /// <returns>Never returns null.</returns>
-        /// <remarks>helpInfos is not null or emtpy.</remarks>
+        /// <remarks>helpInfos is not null or empty.</remarks>
         private IEnumerable<HelpInfo> ForwardHelp(HelpInfo helpInfo, HelpRequest helpRequest)
         {
             Collection<HelpInfo> result = new Collection<HelpInfo>();
diff --git a/src/System.Management.Automation/help/MUIFileSearcher.cs b/src/System.Management.Automation/help/MUIFileSearcher.cs
index 263581df8..28d0a5495 100644
--- a/src/System.Management.Automation/help/MUIFileSearcher.cs
+++ b/src/System.Management.Automation/help/MUIFileSearcher.cs
@@ -43,7 +43,7 @@ namespace System.Management.Automation
         ///     1. a file name
         ///     2. a search pattern
         /// It can also include a path, in that case, 
-        ///     1. the path will be searched first for the existense of the files.
+        ///     1. the path will be searched first for the existence of the files.
         /// </summary>
         internal string Target { get; } = null;
 
diff --git a/src/System.Management.Automation/help/MamlCommandHelpInfo.cs b/src/System.Management.Automation/help/MamlCommandHelpInfo.cs
index ca274dad5..fe395373f 100644
--- a/src/System.Management.Automation/help/MamlCommandHelpInfo.cs
+++ b/src/System.Management.Automation/help/MamlCommandHelpInfo.cs
@@ -163,7 +163,7 @@ namespace System.Management.Automation
         //       particular component, role and functionality using parameters like
         //       -component, -role, -functionality.
         //    3. At runtime, help engine will match against component/role/functionality
-        //       criteria before returing help results.
+        //       criteria before returning help results.
         //
 
         private string _component = null;
@@ -276,7 +276,7 @@ namespace System.Management.Automation
         /// <summary>
         /// Merge the provider specific help with current command help. 
         /// 
-        /// The cmdletHelp and dynamicParameterHelp is normally retrived from ProviderHelpProvider.
+        /// The cmdletHelp and dynamicParameterHelp is normally retrieved from ProviderHelpProvider.
         /// </summary>
         /// <remarks>
         /// A new MamlCommandHelpInfo is created to avoid polluting the provider help cache.
@@ -292,7 +292,7 @@ namespace System.Management.Automation
             MamlCommandHelpInfo result = (MamlCommandHelpInfo)this.MemberwiseClone();
 
             // We will need to use a deep clone of _fullHelpObject
-            // to avoid _fullHelpObject being get tarminated. 
+            // to avoid _fullHelpObject being get terminated. 
             result._fullHelpObject = this._fullHelpObject.Copy();
 
             if (cmdletHelp != null)
@@ -333,7 +333,7 @@ namespace System.Management.Automation
 
         /// <summary>
         /// Given a PSObject, this method will traverse through the objects properties,
-        /// extracts content from properities that are of type System.String, appends them
+        /// extracts content from properties that are of type System.String, appends them
         /// together and returns.
         /// </summary>
         /// <param name="psObject"></param>
diff --git a/src/System.Management.Automation/help/MamlNode.cs b/src/System.Management.Automation/help/MamlNode.cs
index 0b78d930c..ebd52538a 100644
--- a/src/System.Management.Automation/help/MamlNode.cs
+++ b/src/System.Management.Automation/help/MamlNode.cs
@@ -17,7 +17,7 @@ namespace System.Management.Automation
     /// etc, which needs to be taken care of during display. As a result, xml node in Maml schema can't be 
     /// converted into PSObject directly with XmlNodeAdapter. 
     /// 
-    /// MamlNode class provides logic in converting formatting tags into the format accetable by monad format
+    /// MamlNode class provides logic in converting formatting tags into the format acceptable by monad format
     /// and output engine. 
     /// 
     /// Following three kinds of formating tags are supported per our agreement with Maml team, 
@@ -61,10 +61,10 @@ namespace System.Management.Automation
     ///             <tag>*</tag>
     ///             <text>text for list item 2</text>
     ///         </textItem>
-    ///     3. definitionList => a list of defintionTextItem's
+    ///     3. definitionList => a list of definitionTextItem's
     ///         <definitionListItem>
     ///             <term>definition term here</term>
-    ///             <definition>defintion text here</definition>
+    ///             <definition>definition text here</definition>
     ///         </definitionListItem>
     /// </summary>
     /// 
@@ -380,7 +380,7 @@ namespace System.Management.Automation
         /// "attrib1" will be lost. This seems to be OK with current practice of authoring 
         /// monad command help. 
         /// </summary>
-        /// <param name="properties">property hastable</param>
+        /// <param name="properties">property hashtable</param>
         /// <param name="name">property name</param>
         /// <param name="mshObject">property value</param>
         private static void AddProperty(Hashtable properties, string name, PSObject mshObject)
@@ -805,7 +805,7 @@ namespace System.Management.Automation
         /// two properties,
         ///        a. tag=" 1. " or " 2. "
         ///        b. text="text for list item 1" or "text for list item 2"
-        /// In the case of unordered list, similiar PSObject will created with type to be "MamlUnorderedListText" and tag="*"
+        /// In the case of unordered list, similar PSObject will created with type to be "MamlUnorderedListText" and tag="*"
         /// 
         /// </summary>
         /// <param name="xmlNode"></param>
@@ -977,16 +977,16 @@ namespace System.Management.Automation
         /// Convert an definitionListItem node into an PSObject
         /// 
         /// For example
-        ///        <defintionListItem>
+        ///        <definitionListItem>
         ///            <term>
         ///                term text
         ///            </term>
         ///            <definition>
         ///                <para>
-        ///                    definiton text
+        ///                    definition text
         ///                </para>
         ///            </definition>
-        ///        </defintionListItem>
+        ///        </definitionListItem>
         /// In this case, an PSObject of type "definitionListText" will be created with following 
         /// properties
         ///        a. term="term text"
@@ -1185,7 +1185,7 @@ namespace System.Management.Automation
         }
 
         /// <summary>
-        /// Get mininum indentation of a paragraph
+        /// Get minimum indentation of a paragraph
         /// </summary>
         /// <param name="lines"></param>
         /// <returns></returns>
@@ -1208,7 +1208,7 @@ namespace System.Management.Automation
         }
 
         /// <summary>
-        /// Get indetation of a line, i.e., number of spaces
+        /// Get indentation of a line, i.e., number of spaces
         /// at the beginning of the line.
         /// </summary>
         /// <param name="line"></param>
diff --git a/src/System.Management.Automation/help/MamlUtil.cs b/src/System.Management.Automation/help/MamlUtil.cs
index bafa177a9..719a0c5d8 100644
--- a/src/System.Management.Automation/help/MamlUtil.cs
+++ b/src/System.Management.Automation/help/MamlUtil.cs
@@ -188,7 +188,7 @@ namespace System.Management.Automation
         }
 
         /// <summary>
-        /// Get propery info.
+        /// Get property info.
         /// </summary>
         internal static PSPropertyInfo GetProperyInfo(PSObject psObject, string[] path)
         {
diff --git a/src/System.Management.Automation/help/PSClassHelpProvider.cs b/src/System.Management.Automation/help/PSClassHelpProvider.cs
index be7740366..c3292024e 100644
--- a/src/System.Management.Automation/help/PSClassHelpProvider.cs
+++ b/src/System.Management.Automation/help/PSClassHelpProvider.cs
@@ -126,7 +126,7 @@ namespace System.Management.Automation
         /// <summary>
         /// Get the help in for the PS Class Info.        /// 
         /// </summary>
-        /// <param name="searcher">Searcher for PS Classses.</param>
+        /// <param name="searcher">Searcher for PS Classes.</param>
         /// <returns>Next HelpInfo object.</returns>
         private IEnumerable<HelpInfo> GetHelpInfo(PSClassSearcher searcher)
         {
diff --git a/src/System.Management.Automation/help/ProviderContext.cs b/src/System.Management.Automation/help/ProviderContext.cs
index 1f70d93d4..8c9294510 100644
--- a/src/System.Management.Automation/help/ProviderContext.cs
+++ b/src/System.Management.Automation/help/ProviderContext.cs
@@ -112,7 +112,7 @@ namespace System.Management.Automation
                 throw new ItemNotFoundException(_requestedPath, "PathNotFound", SessionStateStrings.PathNotFound);
             }
 
-            // ok we have path and valid provider that supplys content..intialize the provider
+            // ok we have path and valid provider that supplys content..initialize the provider
             // and get the help content for the path.
             cmdletProvider.Start(providerInfo, cmdletProviderContext);
             // There should be exactly one resolved path.
diff --git a/src/System.Management.Automation/help/ProviderHelpInfo.cs b/src/System.Management.Automation/help/ProviderHelpInfo.cs
index 34265507d..46d32235e 100644
--- a/src/System.Management.Automation/help/ProviderHelpInfo.cs
+++ b/src/System.Management.Automation/help/ProviderHelpInfo.cs
@@ -263,7 +263,7 @@ namespace System.Management.Automation
         private Hashtable _dynamicParameterHelps;
 
         /// <summary>
-        /// Return the provider-specific dynamic paramter help based on input parameter name
+        /// Return the provider-specific dynamic parameter help based on input parameter name
         /// </summary>
         /// <param name="parameters">an array of parameters to retrieve help</param>
         /// <returns>an array of mshObject that contains the parameter help</returns>
diff --git a/src/System.Management.Automation/help/ProviderHelpProvider.cs b/src/System.Management.Automation/help/ProviderHelpProvider.cs
index 920a92020..8b0984572 100644
--- a/src/System.Management.Automation/help/ProviderHelpProvider.cs
+++ b/src/System.Management.Automation/help/ProviderHelpProvider.cs
@@ -264,7 +264,7 @@ namespace System.Management.Automation
         /// If true, searches for pattern in the help content. Individual 
         /// provider can decide which content to search in.
         /// 
-        /// If false, seraches for pattern in the command names.
+        /// If false, searches for pattern in the command names.
         /// </param>        
         /// <returns></returns>
         internal override IEnumerable<HelpInfo> SearchHelp(HelpRequest helpRequest, bool searchOnlyContent)
diff --git a/src/System.Management.Automation/help/RemoteHelpInfo.cs b/src/System.Management.Automation/help/RemoteHelpInfo.cs
index 8f619b487..f90bcb9ef 100644
--- a/src/System.Management.Automation/help/RemoteHelpInfo.cs
+++ b/src/System.Management.Automation/help/RemoteHelpInfo.cs
@@ -52,7 +52,7 @@ namespace System.Management.Automation
                 _deserializedRemoteHelp = helpResults[0];
                 _deserializedRemoteHelp.Methods.Remove("ToString");
                 // Win8: bug9457: Remote proxy command's name can be changed locally using -Prefix
-                // parameter of the Import-PSSession cmdlet. To give better user expereience for
+                // parameter of the Import-PSSession cmdlet. To give better user experience for
                 // get-help (on par with get-command), it was decided to use the local command name
                 // for the help content.
                 PSPropertyInfo nameInfo = _deserializedRemoteHelp.Properties["Name"];
diff --git a/src/System.Management.Automation/help/SaveHelpCommand.cs b/src/System.Management.Automation/help/SaveHelpCommand.cs
index bb61eae84..dda314bb2 100644
--- a/src/System.Management.Automation/help/SaveHelpCommand.cs
+++ b/src/System.Management.Automation/help/SaveHelpCommand.cs
@@ -16,7 +16,7 @@ using System.Diagnostics;
 namespace Microsoft.PowerShell.Commands
 {
     /// <summary>
-    /// This class implements the Save-Help cmdleto
+    /// This class implements the Save-Help cmdlet
     /// </summary>
     [Cmdlet(VerbsData.Save, "Help", DefaultParameterSetName = SaveHelpCommand.PathParameterSetName,
         HelpUri = "http://go.microsoft.com/fwlink/?LinkID=210612")]
diff --git a/src/System.Management.Automation/help/UpdatableHelpCommandBase.cs b/src/System.Management.Automation/help/UpdatableHelpCommandBase.cs
index e31a6cb85..dac80f1e5 100644
--- a/src/System.Management.Automation/help/UpdatableHelpCommandBase.cs
+++ b/src/System.Management.Automation/help/UpdatableHelpCommandBase.cs
@@ -799,7 +799,7 @@ namespace Microsoft.PowerShell.Commands
         #region Logging
 
         /// <summary>
-        /// Loggs a command message
+        /// Logs a command message
         /// </summary>
         /// <param name="message">message to log</param>
         internal void LogMessage(string message)
diff --git a/src/System.Management.Automation/help/UpdatableHelpSystem.cs b/src/System.Management.Automation/help/UpdatableHelpSystem.cs
index d557ec6ef..1aad343e5 100644
--- a/src/System.Management.Automation/help/UpdatableHelpSystem.cs
+++ b/src/System.Management.Automation/help/UpdatableHelpSystem.cs
@@ -869,7 +869,7 @@ namespace System.Management.Automation.Help
         }
 
         /// <summary>
-        /// Downloads the help cotent
+        /// Downloads the help content
         /// </summary>
         /// <param name="commandType">command type</param>
         /// <param name="path">destination path</param>
@@ -1267,7 +1267,7 @@ namespace System.Management.Automation.Help
 
             string cabDir = Path.GetDirectoryName(srcPath);
 
-            // Cabinet API doens't handle the trailing back slash
+            // Cabinet API doesn't handle the trailing back slash
             if (!cabDir.EndsWith("\\", StringComparison.Ordinal))
             {
                 cabDir += "\\";