Merge pull request #4311 from aladesawe/patch-2

Update Remove-AzureRmWebAppBackup.md

Author: cormacpayne

src/ResourceManager/Websites/Commands.Websites/help/Remove-AzureRmWebAppBackup.md

@@ -23,7 +23,7 @@ Remove-AzureRmWebAppBackup [-BackupId] <String> [-WebApp] <Site> [<CommonParamet
 ```
 
 ## DESCRIPTION
-The **Remove-AzureRmWebAppBackup** cmdlet gets the specified backup of an Azure Web App.
+The **Remove-AzureRmWebAppBackup** cmdlet removes the specified backup of an Azure Web App.
 
 ## EXAMPLES