diff --git a/README.md b/README.md
index a8a6c8d..4146126 100644
--- a/README.md
+++ b/README.md
@@ -794,7 +794,7 @@ You can add some config option parameters at data/flowchartjs.json
 
 ```bash
 // path: static/images/whoami/avatar.jpg
-{{< img src="/images/whoami/avatar.jpg" title="Image4" caption="Image description" alt="image alt" >}}
+{{< img src="/images/whoami/avatar.jpg" title="Image4" caption="Image description" alt="image alt" >}} // you can set width, height also
 ```
 
 ### notice