diff --git a/IPython/Extensions/ipy_autoreload.py b/IPython/Extensions/ipy_autoreload.py
index a171c91..5e71c78 100644
--- a/IPython/Extensions/ipy_autoreload.py
+++ b/IPython/Extensions/ipy_autoreload.py
@@ -1,6 +1,11 @@
 """
 IPython extension: autoreload modules before executing the next line
 
+Try:: 
+
+    %autoreload?
+
+for documentation.
 """
 
 # Pauli Virtanen <pav@iki.fi>, 2008.