Update Update-AzServiceFabricReliability.md

Author: cormacpayne

src/ServiceFabric/ServiceFabric/help/Update-AzServiceFabricReliability.md

@@ -1,4 +1,4 @@
----
+---
 external help file: Microsoft.Azure.PowerShell.Cmdlets.ServiceFabric.dll-Help.xml
 Module Name: Az.ServiceFabric
 online version: https://docs.microsoft.com/en-us/powershell/module/az.servicefabric/update-azservicefabricreliability
@@ -25,7 +25,7 @@ Use **Update-AzServiceFabricReliability** to update reliability of the primary n
 
 ### Example 1
 ```
-PS c:> Add-AzServiceFabricReliability -ResourceGroupName 'Group1' -Name 'Contoso01SFCluster' -ReliabilityLevel Silver
+PS c:> Update-AzServiceFabricReliability -ResourceGroupName 'Group1' -Name 'Contoso01SFCluster' -ReliabilityLevel Silver
 ```
 
 This command changes the reliability tier of the primary node type to silver.