diff --git a/TOCHANGE.txt b/TOCHANGE.txt
index 6b15fd43691f..6d5937c41db3 100644
--- a/TOCHANGE.txt
+++ b/TOCHANGE.txt
@@ -39,6 +39,7 @@ General
 Documentation
 -------------
 
+See http://projects.scipy.org/scipy/numpy/wiki/CodingStyleGuidelines
 * use new docstring format