diff --git a/IPython/sphinxext/ipython_directive.py b/IPython/sphinxext/ipython_directive.py
index f27d3f2..74622b5 100644
--- a/IPython/sphinxext/ipython_directive.py
+++ b/IPython/sphinxext/ipython_directive.py
@@ -104,8 +104,8 @@ or :okwarning: options:
         In [1]: 1/0
         In [2]: # raise warning.
 
-ToDo
-----
+To Do
+-----
 
 - Turn the ad-hoc test() function into a real test suite.
 - Break up ipython-specific functionality from matplotlib stuff into better