diff --git a/change_log.txt b/change_log.txt
index 5d8a6806c0084aade17d0b7b31771c8d7e9a53ea..13a849b0c446ecb3ab74c8e9eab21decab7801b6 100644
--- a/change_log.txt
+++ b/change_log.txt
@@ -634,4 +634,5 @@
 
 ==Version 0.7.3==
 
- * AsQuaternion is now a const member function.
+ * AsQuaternion is now a const member function (contributed by Dragongeo2).
+