diff --git a/AUTHORS b/AUTHORS
index 1e2e01e2c..2f2743f28 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -288,3 +288,4 @@ suggestions:
   pawprint
   Reg
   Yaroslav Molochko
+  Michael Meier
diff --git a/ChangeLog b/ChangeLog
index 57892d6df..9b5bddf5e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -4,6 +4,8 @@
           (thanks to Markus Beppler, Konstantin Vorobyev).
 - TW-1785 Purge command to remove deleted tasks
           (thanks to Paul Beckingham)
+- TW-1772 Implementation of circular dependency detection is
+          inefficient (thanks to Michael Meier).
 - Removed deprecated 'alias._query' setting.
 
 ------ current release ---------------------------