diff --git a/readme.txt b/readme.txt
index b8427428621f37b7c15c8f810588c6d1da705415..8ea0917b58c1c0c20f928d28925ecdaa40fe61e1 100644
--- a/readme.txt
+++ b/readme.txt
@@ -5,6 +5,8 @@ Tags: print, template, printer, printable
 Requires at least: 3.1
 Tested up to: 3.4
 Stable tag: 0.5.2
+License: GPLv2 or later
+License URI: http://www.gnu.org/licenses/gpl-2.0.html
 
 Extends WordPress' template system to support printer-friendly templates. Works with permalink structures to support nice URLs.
 
diff --git a/wp-print-friendly.php b/wp-print-friendly.php
index 44a0cd5d658c269c4934490590bdb66223b00f98..2304c8c73ba59567f464f1e7bc03adede5657565 100644
--- a/wp-print-friendly.php
+++ b/wp-print-friendly.php
@@ -6,6 +6,20 @@ Description: Extends WordPress' template system to support printer-friendly temp
 Author: Erick Hitter (Oomph, Inc.)
 Version: 0.5.2
 Author URI: http://www.thinkoomph.com/
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
 
 class wp_print_friendly {