diff --git a/core/org.eclipse.cdt.core/ChangeLog b/core/org.eclipse.cdt.core/ChangeLog
index 8b61341e713..46a8dc2a0b4 100644
--- a/core/org.eclipse.cdt.core/ChangeLog
+++ b/core/org.eclipse.cdt.core/ChangeLog
@@ -1,6 +1,8 @@
 2004-03-03 Alain Magloire
 
 	Note from Brent Nicolle PR 53520.
+	The filname for the extension should be
+	"cdtproject" not ".cdtproject"
 
 	* plugin.xml