diff --git a/readme.md b/readme.md
index bd66f11..0e57dea 100644
--- a/readme.md
+++ b/readme.md
@@ -14,7 +14,7 @@
 - Auto reply message
     - `--autoreply="Don't reply this message"`
 - Webhook for received message 
-    - --webhook="http://yourwebhook.site/handler"
+    - `--webhook="http://yourwebhook.site/handler"`
 
 ### Required (without docker)