update

Author: mumian

articles/azure-resource-manager/bicep/install.md

@@ -182,9 +182,11 @@ sudo mv ./bicep /usr/local/bin/bicep
 # Verify you can now access the 'bicep' command
 bicep --help
 # Done!
-
 ```
 
+> [!NOTE]
+> The installation of Bicep CLI version 0.16 or newer does not need Gatekeeper exception. However, [nightly builds](#install-the-nightly-builds) of the Bicep CLI still require the exception.
+
 ### Windows
 
 #### Windows Installer