diff --git a/notebook/notebookapp.py b/notebook/notebookapp.py
index 6e0e90851..a17b88d1f 100644
--- a/notebook/notebookapp.py
+++ b/notebook/notebookapp.py
@@ -103,8 +103,8 @@ If you're working on the Javascript of the notebook, try running
 
     npm run build:watch
 
-in another terminal window to have the notebook incrementally
-watch and build the Javascript for you, as you make changes.
+in another terminal window to have the system incrementally
+watch and build the notebook's JavaScript for you, as you make changes.
 """
 
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