Update README.md

README.md

@@ -66,7 +66,7 @@ This generates a service principal and the output of the above command will be i
 
 Add the json output as [a secret](https://developer.github.com/actions/managing-workflows/storing-secrets/) (let's say with the name `AZURE_CREDENTIALS`) in the GitHub repository. The example YAML snippet given above showcases how this secret is referenced in the action for specifying the credentials as input to the action.
 
-aks-set-context GitHub Actions is supported for the Azure public cloud as well as Azure government clouds ('AzureUSGovernment' or 'AzureChinaCloud') and Azure Stack ('AzureStack') Hub. Before running this action, login to the respective Azure Cloud  using [Azure Login](https://github.com/Azure/login) by setting appropriate value for the `environment` parameter.
+aks-set-context GitHub Actions is supported for the Azure public cloud as well as Azure government clouds ('AzureUSGovernment' or 'AzureChinaCloud'). Before running this action, login to the respective Azure Cloud  using [Azure Login](https://github.com/Azure/login) by setting appropriate value for the `environment` parameter.
 
 ## Contributing