Fix: Commented config has invalid syntax (#1298)

Though this is in a commented section, if the line is un-commented, the syntax will be invalid as it lacked the trailing `;`.

Author: aknot242

content/includes/config-snippets/enable-nplus-api-dashboard.md

@@ -25,7 +25,7 @@ server {
         api write=on;
 
         # To restrict access by network, uncomment and set your network:
-        # allow 192.0.2.0/24   # replace with your network
+        # allow 192.0.2.0/24;   # replace with your network
         # deny  all;
     }