Merge pull request Azure#10357 from wyunchi-ms/typo

Update Set-AzureRmDiagnosticSetting.md

Author: wyunchi-ms

src/Monitor/Monitor/help/Set-AzDiagnosticSetting.md

@@ -119,10 +119,10 @@ All other time grains and categories are unchanged.
 
 ### Example 5: Using pipeline
 ```
-PS C:\>Get-AzDiagnosticSetting -ResourceId "Resource01" | Set-AzDiagnosticSetting
+PS C:\>Get-AzDiagnosticSetting -ResourceId "Resource01" | Set-AzDiagnosticSetting -Enabled $True -Category Category1,Category2
 ```
 
-This command uses the PowerShell pipeline to set (not change made) a diagnostic setting.
+This command uses the PowerShell pipeline to set (no change made) a diagnostic setting.
 
 ## PARAMETERS