diff --git a/AUTHORS b/AUTHORS
index eaa85e5cc..9b470fa88 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -215,4 +215,5 @@ suggestions:
   Milos Svantner
   Christopher Roberts
   Steffen Uhlig
+  Dirk Sarpe
 
diff --git a/ChangeLog b/ChangeLog
index 6ba155343..0f3c102a7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -24,6 +24,8 @@
 - TW-28 Inserts spaces before punctuation characters (thanks to Matt Kraai).
 - TW-72 extend info report with urgency column
 - TW-115 allow "0day" durations for UDAs.
+- TW-168 modification of due date relative to current due date (thanks to Dirk
+         Sarpe).
 - TW-186 Increase for numerical UDAs (thanks to Steffen Uhlig).
 - TW-197 New virtual tag READY.
 - TW-218 Reveal terms of urgency calculation for a given task (thanks to Max