diff --git a/docs/source/examples/Notebook/JavaScript Notebook Extensions.rst b/docs/source/examples/Notebook/JavaScript Notebook Extensions.rst
index 2a7e343ca..32d0a1dbb 100644
--- a/docs/source/examples/Notebook/JavaScript Notebook Extensions.rst	
+++ b/docs/source/examples/Notebook/JavaScript Notebook Extensions.rst	
@@ -22,7 +22,7 @@ accessible and reusable as possible. This should allow with minimum
 effort to develop small extensions that customize the behavior of the
 web interface.
 
-Tempering with Notebook app
+Tampering with Notebook app
 ---------------------------
 
 The first tool that is available to you and that you should be aware of