Updated config_yaml (markdown)

config_yaml.md

@@ -82,7 +82,8 @@ urls:
   # One-liner (no colon at the end); just the url as you'd expect it:
   - json://localhost
 
-  # A colon grants you customization; the below associates a tag
+  # A colon grants you customization; the below associates another tag
+  # with our URL. This means it will have admin, devops and customer:
   - xml://localhost:
     - tag: customer