diff --git a/committags b/committags
index f1c8fc3..2b7fb5b 100755
--- a/committags
+++ b/committags
@@ -4,6 +4,14 @@
 #
 # committags [git-args]
 #
+# This code is part of the LWN git data miner.
+#
+# Copyright 2007-8 LWN.net
+# Copyright 2007-8 Jonathan Corbet <corbet@lwn.net>
+#
+# This file may be distributed under the terms of the GNU General
+# Public License, version 2.
+#
 import sys
 import re
 import os
diff --git a/findoldfiles b/findoldfiles
index fdf2ba1..ec2a504 100755
--- a/findoldfiles
+++ b/findoldfiles
@@ -3,6 +3,14 @@
 # Another quick hack of a script to find files unchanged
 # since a given commit.
 #
+# This code is part of the LWN git data miner.
+#
+# Copyright 2007-8 LWN.net
+# Copyright 2007-8 Jonathan Corbet <corbet@lwn.net>
+#
+# This file may be distributed under the terms of the GNU General
+# Public License, version 2.
+#
 import sys, os
 
 OriginalSin = '1da177e4c3f41524e886b7f1b8a0c1fc7321cac2'
diff --git a/linetags b/linetags
index 767e399..fc4330b 100755
--- a/linetags
+++ b/linetags
@@ -4,6 +4,14 @@
 #
 # linetags <directory>
 #
+# This code is part of the LWN git data miner.
+#
+# Copyright 2007-8 LWN.net
+# Copyright 2007-8 Jonathan Corbet <corbet@lwn.net>
+#
+# This file may be distributed under the terms of the GNU General
+# Public License, version 2.
+#
 import sys, re, os, pickle
 
 CommitLines = { }