From 0cb7cf88cb8758452b35d87b804c73906a324cb1 Mon Sep 17 00:00:00 2001
From: Bo-Yi Wu <appleboy.tw@gmail.com>
Date: Tue, 4 Apr 2017 14:19:04 +0800
Subject: [PATCH] docs: add comment.

---
 examples/auto-tls/main.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/examples/auto-tls/main.go b/examples/auto-tls/main.go
index 9495c0a..49544c5 100644
--- a/examples/auto-tls/main.go
+++ b/examples/auto-tls/main.go
@@ -8,6 +8,7 @@ import (
 func main() {
 	r := gin.Default()
 
+	// folder for storing certificates
 	gin.AutoTLSManager.Cache = autocert.DirCache("/var/www/.cache")
 
 	// Ping handler