diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index a4d21b235..a20c0c2ef 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -8,7 +8,7 @@
 	ensure race safeness without using a mutex.
 	(List_remove): Use InterlockedCompareExchangePointer to
 	ensure race safeness with List_insert.
-	(List::insert): Remove mx parameter for	List_insert call.
+	(List::insert): Remove mx parameter for List_insert call.
 
 2003-12-01  Corinna Vinschen  <corinna@vinschen.de>