diff --git a/TODO.txt b/TODO.txt
index 4b13d0c7..bed2793a 100644
--- a/TODO.txt
+++ b/TODO.txt
@@ -17,7 +17,8 @@ Version 0.14
 
 Version 0.13
 ------------
-* Require Python 2.7+, remove warning in `__init__.py`.
+* Require Python 2.7+, remove warning in `__init__.py` and 2.6 hack in
+  `doc/release/contribs.py`.
 * Remove deprecated `None` defaults for `skimage.exposure.rescale_intensity`
 * Remove deprecated `skimage.filters.canny` import in `filters/__init__.py`
   file (canny is now in `skimage.feature.canny`).