Make ios_command example working

lib/ansible/modules/network/ios/ios_command.py

@@ -78,6 +78,7 @@ vars:
     password: cisco
     transport: cli
 
+tasks:
   - name: run show version on remote devices
     ios_command:
       commands: show version
@@ -104,7 +105,7 @@ vars:
       wait_for:
         - result[0] contains IOS
         - result[1] contains Loopback0
-    provider "{{ cli }}"
+      provider: "{{ cli }}"
 """
 
 RETURN = """