diff --git a/make/projects-dir.mk b/make/projects-dir.mk
index beea8e4e..670aebf4 100644
--- a/make/projects-dir.mk
+++ b/make/projects-dir.mk
@@ -1,4 +1,6 @@
 #
+# $Id$
+#
 # This is the top-level Makefile for a janware software build tree. It is
 # provided under the terms of the GNU Lesser Public License, Version 2.
 #