Update container-instances-update.md

adding important limitation for ACI with azure storage account

Author: amjadaljunaidi

articles/container-instances/container-instances-update.md

@@ -58,6 +58,8 @@ Applications based on larger container images like Windows Server Core can see s
 * The IP address of a container group is typically retained between updates, but isn't guaranteed to remain the same. As long as the container group is deployed to the same underlying host, the container group retains its IP address. Although rare, there are some Azure-internal events that can cause redeployment to a different host. To mitigate this issue, we recommend using a DNS name label for your container instances.
 * Terminated or deleted container groups can't be updated. Once a container group is stopped (is in the *Terminated* state) or deleted, the group is deployed as new.
 
+> [!NOTE]
+> Update command could not work if the Azure Container Group attched to Azure Storage profile
 ## Properties that require container delete
 
 Not all container group properties can be updated. For example, to change the restart policy of a container, you must first delete the container group, then create it again.