diff --git a/README.md b/README.md
index 03fb145..05ce178 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-## Azure Image Chooser
+# Azure Image Chooser
 
 Azure Image Chooser is a [Streamlit](https://streamlit.io) application that allows users to select Azure VM images from the Azure Marketplace.
 
@@ -14,3 +14,15 @@ python3 -m venv .venv
 ```
 
 You have to be authenticated in Azure CLI. The app will block terminal and start a web server. Follow the instructions in the terminal to access the app.
+
+## Add Certificate Binding
+
+```shell
+az containerapp hostname bind \
+    --hostname $DOMAIN_NAME \
+    -g $RESOURCE_GROUP \
+    -n $CONTAINER_APP \
+    --environment $ENVIRONMENT \
+    --certificate $CERTIFICATE_LOWERCASE_NAME \
+    --validation-method CNAME
+```