Update custom/conf/app.example.ini

Author: MiloCubed

custom/conf/app.example.ini

@@ -60,6 +60,7 @@ RUN_USER = ; git
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ;;
 ;; The protocol the server listens on. One of 'http', 'https', 'http+unix', 'fcgi' or 'fcgi+unix'. Defaults to 'http'
+;; Note: Value must be lowercase.
 ;PROTOCOL = http
 ;;
 ;; Expect PROXY protocol headers on connections