diff --git a/with-fqdn/README.md b/with-fqdn/README.md
index 4b1b581..23da0a5 100644
--- a/with-fqdn/README.md
+++ b/with-fqdn/README.md
@@ -16,7 +16,8 @@ res.send(`${JSON.stringify(data.data)}`);
 az login
 az extension add \
   --source https://workerappscliextension.blob.core.windows.net/azure-cli-extension/containerapp-0.2.0-py2.py3-none-any.whl
-az provider register --namespace Microsoft.Web
+az extension add -n containerapp
+az provider register --namespace Microsoft.App
 
 # Create a resource group
 az group create \