diff --git a/release-notes/3.0/preview/api-diff/preview4/standalone-packages/3.0-preview4-standalone-packages.md b/release-notes/3.0/preview/api-diff/preview4/standalone-packages/3.0-preview4-standalone-packages.md
index 3faed515..874d97ce 100644
--- a/release-notes/3.0/preview/api-diff/preview4/standalone-packages/3.0-preview4-standalone-packages.md
+++ b/release-notes/3.0/preview/api-diff/preview4/standalone-packages/3.0-preview4-standalone-packages.md
@@ -1,4 +1,4 @@
-# API Difference netcoreapp3.0-preview3 vs netcoreapp3.0-preview4
+# API Difference standalone-preview3 vs standalone-preview4.
 
 API listing follows standard diff formatting. Lines preceded by a '+' are
 additions and a '-' indicates removal.
diff --git a/release-notes/3.0/preview/api-diff/preview4/standalone-packages/3.0-preview4-standalone-packages_System.Data.md b/release-notes/3.0/preview/api-diff/preview4/standalone-packages/3.0-preview4_System.Data.md
similarity index 100%
rename from release-notes/3.0/preview/api-diff/preview4/standalone-packages/3.0-preview4-standalone-packages_System.Data.md
rename to release-notes/3.0/preview/api-diff/preview4/standalone-packages/3.0-preview4_System.Data.md
diff --git a/release-notes/3.0/preview/api-diff/preview4/standalone-packages/3.0-preview4-standalone-packages_System.Drawing.md b/release-notes/3.0/preview/api-diff/preview4/standalone-packages/3.0-preview4_System.Drawing.md
similarity index 100%
rename from release-notes/3.0/preview/api-diff/preview4/standalone-packages/3.0-preview4-standalone-packages_System.Drawing.md
rename to release-notes/3.0/preview/api-diff/preview4/standalone-packages/3.0-preview4_System.Drawing.md
diff --git a/release-notes/3.0/preview/api-diff/preview4/standalone-packages/3.0-preview4-standalone-packages_System.IO.Packaging.md b/release-notes/3.0/preview/api-diff/preview4/standalone-packages/3.0-preview4_System.IO.Packaging.md
similarity index 100%
rename from release-notes/3.0/preview/api-diff/preview4/standalone-packages/3.0-preview4-standalone-packages_System.IO.Packaging.md
rename to release-notes/3.0/preview/api-diff/preview4/standalone-packages/3.0-preview4_System.IO.Packaging.md
diff --git a/release-notes/3.0/preview/api-diff/preview4/standalone-packages/3.0-preview4-standalone-packages_System.IO.Pipelines.md b/release-notes/3.0/preview/api-diff/preview4/standalone-packages/3.0-preview4_System.IO.Pipelines.md
similarity index 100%
rename from release-notes/3.0/preview/api-diff/preview4/standalone-packages/3.0-preview4-standalone-packages_System.IO.Pipelines.md
rename to release-notes/3.0/preview/api-diff/preview4/standalone-packages/3.0-preview4_System.IO.Pipelines.md
diff --git a/release-notes/3.0/preview/api-diff/preview4/standalone-packages/3.0-preview4-standalone-packages_System.Runtime.CompilerServices.md b/release-notes/3.0/preview/api-diff/preview4/standalone-packages/3.0-preview4_System.Runtime.CompilerServices.md
similarity index 100%
rename from release-notes/3.0/preview/api-diff/preview4/standalone-packages/3.0-preview4-standalone-packages_System.Runtime.CompilerServices.md
rename to release-notes/3.0/preview/api-diff/preview4/standalone-packages/3.0-preview4_System.Runtime.CompilerServices.md
diff --git a/release-notes/3.0/preview/api-diff/preview4/standalone-packages/3.0-preview4-standalone-packages_System.Runtime.Intrinsics.Arm.Arm64.md b/release-notes/3.0/preview/api-diff/preview4/standalone-packages/3.0-preview4_System.Runtime.Intrinsics.Arm.Arm64.md
similarity index 100%
rename from release-notes/3.0/preview/api-diff/preview4/standalone-packages/3.0-preview4-standalone-packages_System.Runtime.Intrinsics.Arm.Arm64.md
rename to release-notes/3.0/preview/api-diff/preview4/standalone-packages/3.0-preview4_System.Runtime.Intrinsics.Arm.Arm64.md
diff --git a/release-notes/3.0/preview/api-diff/preview4/standalone-packages/3.0-preview4-standalone-packages_System.Threading.Channels.md b/release-notes/3.0/preview/api-diff/preview4/standalone-packages/3.0-preview4_System.Threading.Channels.md
similarity index 100%
rename from release-notes/3.0/preview/api-diff/preview4/standalone-packages/3.0-preview4-standalone-packages_System.Threading.Channels.md
rename to release-notes/3.0/preview/api-diff/preview4/standalone-packages/3.0-preview4_System.Threading.Channels.md
diff --git a/release-notes/3.0/preview/api-diff/preview5/standalone-packages/3.0-preview5-standalone-packages.md b/release-notes/3.0/preview/api-diff/preview5/standalone-packages/3.0-preview5-standalone-packages.md
index 3581cba3..339e83fb 100644
--- a/release-notes/3.0/preview/api-diff/preview5/standalone-packages/3.0-preview5-standalone-packages.md
+++ b/release-notes/3.0/preview/api-diff/preview5/standalone-packages/3.0-preview5-standalone-packages.md
@@ -1,4 +1,4 @@
-# API Difference netcoreapp3.0-preview4 vs netcoreapp3.0-preview5
+# API Difference standalone-preview4 vs standalone-preview5.
 
 API listing follows standard diff formatting. Lines preceded by a '+' are
 additions and a '-' indicates removal.
diff --git a/release-notes/3.0/preview/api-diff/preview5/standalone-packages/3.0-preview5-standalone-packages_System.Threading.Channels.md b/release-notes/3.0/preview/api-diff/preview5/standalone-packages/3.0-preview5_System.Threading.Channels.md
similarity index 100%
rename from release-notes/3.0/preview/api-diff/preview5/standalone-packages/3.0-preview5-standalone-packages_System.Threading.Channels.md
rename to release-notes/3.0/preview/api-diff/preview5/standalone-packages/3.0-preview5_System.Threading.Channels.md