diff --git a/AUTHORS b/AUTHORS
index 339a58a3..b9ab34df 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -198,3 +198,4 @@ that much better:
  * Dmitry Konishchev (https://github.com/KonishchevDmitry)
  * Martyn Smith (https://github.com/martynsmith)
  * Andrei Zbikowski (https://github.com/b1naryth1ef)
+ * Ronald van Rij (https://github.com/ronaldvanrij)
diff --git a/docs/changelog.rst b/docs/changelog.rst
index 08fb24ef..2ed0001b 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -6,6 +6,7 @@ Changelog
 Changes in 0.9.X - DEV
 ======================
 
+- Fix id shard key save issue #636
 - Fixes issue with recursive embedded document errors #557
 - Fix clear_changed_fields() clearing unsaved documents bug #602
 - Removing support for Django 1.4.x, pymongo 2.5.x, pymongo 2.6.x.