diff --git a/CHANGES.txt b/CHANGES.txt
index 5842bbea0ea..214fc669f4d 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -351,7 +351,7 @@ Bug fixes
 
 17. LUCENE-1599: Add clone support for SpanQuerys. SpanRegexQuery counts
     on this functionality and does not work correctly without it.
-    (Mark Miller)
+    (Billow Gao, Mark Miller)
 
 New features