diff --git a/mod/lti/ajax.php b/mod/lti/ajax.php
index a7d8c30d736..efa6c802a4c 100644
--- a/mod/lti/ajax.php
+++ b/mod/lti/ajax.php
@@ -15,12 +15,14 @@
 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
 
 /**
- * MRTODO: Brief description of this file
+ * AJAX service used when adding an External Tool to provide immediate feedback
+ * of which tool provider is to be used based on the Launch URL.
  *
  * @package    mod
  * @subpackage xml
- * @copyright  2011 onwards MRTODO
+ * @copyright Copyright (c) 2011 Moodlerooms Inc. (http://www.moodlerooms.com)
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @author     Chris Scribner
  */
 
 require_once(dirname(__FILE__) . "/../../config.php");
diff --git a/mod/lti/backup/moodle1/lib.php b/mod/lti/backup/moodle1/lib.php
index 97f16558b9e..b798f465f4f 100644
--- a/mod/lti/backup/moodle1/lib.php
+++ b/mod/lti/backup/moodle1/lib.php
@@ -1,4 +1,28 @@
 <?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle 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 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle 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 Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * 1.9 to 2.0 backup format converter. (Also currently used in common cartridge import process)
+ *
+ * @package    mod
+ * @subpackage lti
+ * @copyright  Copyright (c) 2011 Moodlerooms Inc. (http://www.moodlerooms.com)
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @author     Darko Miletic
+ */
 
 defined('MOODLE_INTERNAL') || die();
 
diff --git a/mod/lti/db/access.php b/mod/lti/db/access.php
index 8a5a3ac63e4..0c28a0ce83c 100644
--- a/mod/lti/db/access.php
+++ b/mod/lti/db/access.php
@@ -25,6 +25,7 @@
  * @author     Marc Alier
  * @author     Jordi Piguillem
  * @author     Nikolas Galanis
+ * @author     Chris Scribner
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 
diff --git a/mod/lti/edit_form.php b/mod/lti/edit_form.php
index 907ce56e5b8..86005970580 100644
--- a/mod/lti/edit_form.php
+++ b/mod/lti/edit_form.php
@@ -44,6 +44,7 @@
  * @author     Jordi Piguillem
  * @author     Nikolas Galanis
  * @author     Charles Severance
+ * @author     Chris Scribner
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 
diff --git a/mod/lti/grade.php b/mod/lti/grade.php
index 4e38cee54e8..e8c19a1d2a5 100644
--- a/mod/lti/grade.php
+++ b/mod/lti/grade.php
@@ -43,6 +43,7 @@
  * @author     Marc Alier
  * @author     Jordi Piguillem
  * @author     Nikolas Galanis
+ * @author     Chris Scribner
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 
diff --git a/mod/lti/index.php b/mod/lti/index.php
index 5c2dff4fe19..65f59897303 100644
--- a/mod/lti/index.php
+++ b/mod/lti/index.php
@@ -43,6 +43,7 @@
  * @author     Marc Alier
  * @author     Jordi Piguillem
  * @author     Nikolas Galanis
+ * @author     Chris Scribner
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 require_once("../../config.php");
diff --git a/mod/lti/instructor_edit_tool_type.php b/mod/lti/instructor_edit_tool_type.php
index 36c56b5de79..b0fe496c38d 100644
--- a/mod/lti/instructor_edit_tool_type.php
+++ b/mod/lti/instructor_edit_tool_type.php
@@ -15,12 +15,13 @@
 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
 
 /**
- * MRTODO: Brief description of this file
+ * This page allows instructors to configure course level tool providers.
  *
  * @package    mod
  * @subpackage lti
- * @copyright  2011 onwards MRTODO
+ * @copyright  Copyright (c) 2011 Moodlerooms Inc. (http://www.moodlerooms.com)
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @author     Chris Scribner
  */
 
 require_once('../../config.php');
diff --git a/mod/lti/lang/en/lti.php b/mod/lti/lang/en/lti.php
index ed90462917d..d3942a7acc6 100644
--- a/mod/lti/lang/en/lti.php
+++ b/mod/lti/lang/en/lti.php
@@ -43,6 +43,7 @@
  * @author     Marc Alier
  * @author     Jordi Piguillem
  * @author     Nikolas Galanis
+ * @author     Chris Scribner
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 
diff --git a/mod/lti/launch.php b/mod/lti/launch.php
index 3afd2e35c3b..fced3b41170 100644
--- a/mod/lti/launch.php
+++ b/mod/lti/launch.php
@@ -43,6 +43,7 @@
  * @author     Marc Alier
  * @author     Jordi Piguillem
  * @author     Nikolas Galanis
+ * @author     Chris Scribner
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 
diff --git a/mod/lti/lib.php b/mod/lti/lib.php
index 0ca9153966b..97d2d5c9427 100644
--- a/mod/lti/lib.php
+++ b/mod/lti/lib.php
@@ -43,6 +43,7 @@
  * @author     Marc Alier
  * @author     Jordi Piguillem
  * @author     Nikolas Galanis
+ * @author     Chris Scribner
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 
diff --git a/mod/lti/localadminlib.php b/mod/lti/localadminlib.php
index 128c345b856..7aee7dbdbeb 100644
--- a/mod/lti/localadminlib.php
+++ b/mod/lti/localadminlib.php
@@ -44,6 +44,7 @@
  * @author     Marc Alier
  * @author     Jordi Piguillem
  * @author     Nikolas Galanis
+ * @author     Chris Scribner
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 
diff --git a/mod/lti/locallib.php b/mod/lti/locallib.php
index df870bdcd1d..4e1892d32b0 100644
--- a/mod/lti/locallib.php
+++ b/mod/lti/locallib.php
@@ -43,6 +43,7 @@
  * @author     Marc Alier
  * @author     Jordi Piguillem
  * @author     Nikolas Galanis
+ * @author     Chris Scribner
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 
diff --git a/mod/lti/mod_form.js b/mod/lti/mod_form.js
index 46b8718457c..cfaf7e9ba93 100644
--- a/mod/lti/mod_form.js
+++ b/mod/lti/mod_form.js
@@ -14,11 +14,11 @@
 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
 
 /**
- * MRTODO: Brief description of this file
+ * Javascript extensions for the External Tool activity editor.
  *
  * @package    mod
  * @subpackage lti
- * @copyright  2011 onwards MRTODO
+ * @copyright  Copyright (c) 2011 Moodlerooms Inc. (http://www.moodlerooms.com)
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 (function(){
diff --git a/mod/lti/mod_form.php b/mod/lti/mod_form.php
index 353110f9db6..13699806711 100644
--- a/mod/lti/mod_form.php
+++ b/mod/lti/mod_form.php
@@ -43,6 +43,7 @@
  * @author     Marc Alier
  * @author     Jordi Piguillem
  * @author     Nikolas Galanis
+ * @author     Chris Scribner
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 
diff --git a/mod/lti/request_tool.php b/mod/lti/request_tool.php
index 985f8d49a09..d5c8c99bd42 100644
--- a/mod/lti/request_tool.php
+++ b/mod/lti/request_tool.php
@@ -15,12 +15,13 @@
 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
 
 /**
- * MRTODO: Brief description of this file
+ * Submits a request to administrators to add a tool configuration for the requested site.
  *
  * @package    mod
  * @subpackage lti
- * @copyright  2011 onwards MRTODO
+ * @copyright  Copyright (c) 2011 Moodlerooms Inc. (http://www.moodlerooms.com)
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @author     Chris Scribner
  */
 
 require_once('../../config.php');
diff --git a/mod/lti/return.php b/mod/lti/return.php
index 7f542866daf..7b2ed8cb290 100644
--- a/mod/lti/return.php
+++ b/mod/lti/return.php
@@ -19,8 +19,9 @@
  *
  * @package    mod
  * @subpackage lti
- * @copyright  2011 onwards MRTODO
+ * @copyright  Copyright (c) 2011 Moodlerooms Inc. (http://www.moodlerooms.com)
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @author     Chris Scribner
  */
 
 require_once('../../config.php');
diff --git a/mod/lti/service.php b/mod/lti/service.php
index 9099e105111..18049cc3ca7 100644
--- a/mod/lti/service.php
+++ b/mod/lti/service.php
@@ -15,12 +15,13 @@
 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
 
 /**
- * MRTODO: Brief description of this file
+ * LTI web service endpoints
  *
  * @package    mod
  * @subpackage lti
- * @copyright  2011 onwards MRTODO
+ * @copyright  Copyright (c) 2011 Moodlerooms Inc. (http://www.moodlerooms.com)
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @author     Chris Scribner
  */
 
 require_once(dirname(__FILE__) . "/../../config.php");
diff --git a/mod/lti/servicelib.php b/mod/lti/servicelib.php
index 0dde18cb760..6b2578d1238 100644
--- a/mod/lti/servicelib.php
+++ b/mod/lti/servicelib.php
@@ -15,12 +15,13 @@
 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
 
 /**
- * MRTODO: Brief description of this file
+ * Utility code for LTI service handling.
  *
  * @package    mod
  * @subpackage lti
- * @copyright  2011 onwards MRTODO
+ * @copyright  Copyright (c) 2011 Moodlerooms Inc. (http://www.moodlerooms.com)
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @author     Chris Scribner
  */
 
 defined('MOODLE_INTERNAL') || die;
diff --git a/mod/lti/settings.php b/mod/lti/settings.php
index b90a31c1997..b7d4f2c181c 100644
--- a/mod/lti/settings.php
+++ b/mod/lti/settings.php
@@ -43,6 +43,7 @@
  * @author     Marc Alier
  * @author     Jordi Piguillem
  * @author     Nikolas Galanis
+ * @author     Chris Scribner
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 
diff --git a/mod/lti/simpletest/testlocallib.php b/mod/lti/simpletest/testlocallib.php
index 990dbf40787..34a26743362 100644
--- a/mod/lti/simpletest/testlocallib.php
+++ b/mod/lti/simpletest/testlocallib.php
@@ -44,6 +44,7 @@
  * @author     Marc Alier
  * @author     Jordi Piguillem
  * @author     Nikolas Galanis
+ * @author     Chris Scribner
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 
diff --git a/mod/lti/submissions.js b/mod/lti/submissions.js
index 80e1b0d73df..9689138abf7 100644
--- a/mod/lti/submissions.js
+++ b/mod/lti/submissions.js
@@ -14,12 +14,13 @@
 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
 
 /**
- * MRTODO: Brief description of this file
+ * Javascript extensions for LTI submission viewer.
  *
  * @package    mod
  * @subpackage lti
- * @copyright  2011 onwards MRTODO
+ * @copyright  Copyright (c) 2011 Moodlerooms Inc. (http://www.moodlerooms.com)
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @author     Chris Scribner
  */
 (function(){
     var Y;
diff --git a/mod/lti/typessettings.php b/mod/lti/typessettings.php
index 0a2f8560ce7..dbf74183f57 100644
--- a/mod/lti/typessettings.php
+++ b/mod/lti/typessettings.php
@@ -44,6 +44,7 @@
  * @author     Marc Alier
  * @author     Jordi Piguillem
  * @author     Nikolas Galanis
+ * @author     Chris Scribner
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 
diff --git a/mod/lti/version.php b/mod/lti/version.php
index 499854d4666..1c7c0c9902d 100644
--- a/mod/lti/version.php
+++ b/mod/lti/version.php
@@ -43,6 +43,7 @@
  * @author     Marc Alier
  * @author     Jordi Piguillem
  * @author     Nikolas Galanis
+ * @author     Chris Scribner
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 
diff --git a/mod/lti/view.php b/mod/lti/view.php
index 350c68e8c13..7f43092eb14 100644
--- a/mod/lti/view.php
+++ b/mod/lti/view.php
@@ -43,6 +43,7 @@
  * @author     Marc Alier
  * @author     Jordi Piguillem
  * @author     Nikolas Galanis
+ * @author     Chris Scribner
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */