diff --git a/docs/usage.md b/docs/usage.md
index 945fd101d..5f6039cbc 100644
--- a/docs/usage.md
+++ b/docs/usage.md
@@ -1,8 +1,9 @@
 # Usage
+**Edit this Page** [![N|Solid](./img/GitHub-Mark-32px.png)](https://github.com/mermaid-js/mermaid/blob/develop/docs/usage.md)
 
 ## Installation
 
-### npm package
+### npm package 
 
 ```
 1.You will need to isntall node v10 or 12, which would have npm.