typo

Author: carlospolop

src/pentesting-cloud/azure-security/az-services/vms/README.md

@@ -656,7 +656,7 @@ These are packages with all the **application data and install and uninstall scr
 # List all galleries in resource group
 az sig list --resource-group <res-group> --output table
 
-# List all apps in a fallery
+# List all apps in a gallery
 az sig gallery-application list --gallery-name <gallery-name> --resource-group <res-group> --output table
 ```