diff --git a/README.md b/README.md
index 30ac69c..e38b8f6 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# slate-collaborative [Demo](https://slate-collaborative.herokuapp.com/)
+# slate-collaborative. Check [Demo](https://slate-collaborative.herokuapp.com/)
 slatejs collaborative plugin & microservice
 
 ![screencast2019-10-2820-06-10](https://user-images.githubusercontent.com/23132107/67700384-ebff7280-f9be-11e9-9005-6ddadcafec47.gif)
@@ -62,3 +62,13 @@ const connection = new CollaborativeBackend(options)
 }
 ```
 
+# Contribute
+
+You welcome to contribute!
+
+start it ease:
+```
+yarn
+yarn dev
+```
+