diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index c15e0281b66d93714362e25b0f3252b704e67558..db317764d7401b913cc9fdcc654c0574ca87d52c 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 fe40b44b808a6cb234b12ddeed79f7ddf0d18918..5312a46b8822b0501126de6da1690ce99eff2f6e 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 ddb05add5167a85441304083e4991d1ffb6ee89d..1bcc9264173e96fc8cca3772620b685eee2b0b89 100644
--- a/MAINTAINERS.txt
+++ b/MAINTAINERS.txt
@@ -1,3 +1,5 @@
+// $Id$
+
 List of maintainers
 --------------------------------------------------------------------------------