diff --git a/ChangeLog b/ChangeLog
index 084a3e255..e19112b8b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -6,7 +6,7 @@
 2006-03-03  Thomas Thurman  <thomas@thurman.org.uk>
 
 	Always set _NET_WM_STATE when a window is shown or
-	hidden, even if it wasn't mapped.
+	hidden, even if it wasn't mapped. Fixes #315142.
 
 	* src/window.c (meta_window_hide, meta_window_show):
 	call set_net_wm_state unconditionally