diff --git a/docs/source/whatsnew/pr/execute-preprocessor b/docs/source/whatsnew/pr/execute-preprocessor
index 7fc2745..fd3eacf 100644
--- a/docs/source/whatsnew/pr/execute-preprocessor
+++ b/docs/source/whatsnew/pr/execute-preprocessor
@@ -1 +1,4 @@
 New preprocessor for nbconvert that executes all the code cells in a notebook.
+To run a notebook and save its output in a new notebook::
+
+    ipython nbconvert InputNotebook --ExecutePreprocessor.enabled=True --to notebook --output Executed