diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index c15e0281b66..db317764d74 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -1,3 +1,5 @@
+// $Id$
+
 Drupal x.x.x, xxxx-xx-xx (development version)
 ------------------------
 - added support for different cache backends
diff --git a/LICENSE.txt b/LICENSE.txt
index fe40b44b808..5312a46b882 100644
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -1,3 +1,5 @@
+// $Id$
+
         GNU GENERAL PUBLIC LICENSE
            Version 2, June 1991
 
diff --git a/MAINTAINERS.txt b/MAINTAINERS.txt
index ddb05add516..1bcc9264173 100644
--- a/MAINTAINERS.txt
+++ b/MAINTAINERS.txt
@@ -1,3 +1,5 @@
+// $Id$
+
 List of maintainers
 --------------------------------------------------------------------------------