diff --git a/DEVELOPMENT.rst b/DEVELOPMENT.rst
index dd2312547..c1ed8ff14 100644
--- a/DEVELOPMENT.rst
+++ b/DEVELOPMENT.rst
@@ -136,6 +136,7 @@ client tests::
 
 Fix the code format and lint it with::
 
+    npm run prettify-write
     npm run lint
 
 To extract translations run::