Added missing example

Author: MiYanni

src/ResourceManager/Resources/Commands.Resources/help/Register-AzureRmResourceProvider.md

@@ -23,11 +23,13 @@ The **Register-AzureRmResourceProvider** cmdlet registers an Azure resource prov
 
 ## EXAMPLES
 
-### 1:
+### Example 1: Register a provider
 ```
-
+PS C:\>Register-AzureRmResourceProvider -ProviderNamespace Microsoft.Network
 ```
 
+This registers the Microsoft.Network provider for your account.
+
 ## PARAMETERS
 
 ### -ApiVersion