diff --git a/TODO b/TODO
index 895f10a5c..609802ed3 100644
--- a/TODO
+++ b/TODO
@@ -4,3 +4,8 @@ Rendering of multi-status responses is suboptimal in SOPE:
 Therefore it would be nice to refactor those things a little bit and maybe put
 some code from SOGo up into SOPE.
  -- wsourdeau@inverse.ca, Tue, 22 Apr 2008 15:21:32 -0400
+
+ACL: the "default user" concept in the SOGo ACL paradigm should probably match
+the "authenticated" role in SOGo/SOPE. Also, we should reconsider the handling
+of the DAV:authenticated principal wrt the DAV ACL interface.
+ -- wsourdeau@inverse.ca, Tue, 29 Apr 2008 12:05:17 -0400