diff --git a/classes/lifecycle/course_table.php b/classes/lifecycle/course_table.php
index f835869..4081487 100644
--- a/classes/lifecycle/course_table.php
+++ b/classes/lifecycle/course_table.php
@@ -20,8 +20,14 @@
 
 require_once($CFG->libdir . '/tablelib.php');
 
-class course_table extends \table_sql
-{
+/**
+ * Backup course table.
+ *
+ * @package     tool_lcbackupcoursestep
+ * @copyright   2024 Catalyst IT
+ * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class course_table extends \table_sql {
 
     /**
      * @var array "cached" lang strings
@@ -33,13 +39,12 @@ class course_table extends \table_sql
      *
      * @throws \coding_exception
      */
-    public function __construct($filterdata = [])
-    {
+    public function __construct($filterdata = []) {
         global $DB;
 
         parent::__construct('tool_lcbackupcoursestep-course');
 
-        // Action buttons string
+        // Action buttons string.
         $this->strings = [
             'download' => get_string('download'),
             'restore' => get_string('restore'),
@@ -48,7 +53,7 @@ public function __construct($filterdata = [])
         // Build the SQL.
         $fields = 'f.id as id,
                    co.id as courseid, co.shortname as courseshortname, co.fullname as coursefullname,
-                   f.filename as filename, f.filesize as filesize, f.timecreated as createdat';
+                   f.filename as filename, f.filesize as filesize, f.timecreated as datecreated';
         $from = '{files} f
                  JOIN {context} c ON c.id = f.contextid
                  JOIN {course} co ON co.id = c.instanceid';
@@ -85,7 +90,7 @@ public function __construct($filterdata = [])
             'coursefullname',
             'filename',
             'filesize',
-            'createdat',
+            'datecreated',
             'actions',
         ]);
 
@@ -95,7 +100,7 @@ public function __construct($filterdata = [])
             get_string('course_fullname_header', 'tool_lcbackupcoursestep'),
             get_string('filename_header', 'tool_lcbackupcoursestep'),
             get_string('filesize_header', 'tool_lcbackupcoursestep'),
-            get_string('createdat_header', 'tool_lcbackupcoursestep'),
+            get_string('datecreated_header', 'tool_lcbackupcoursestep'),
             get_string('actions_header', 'tool_lcbackupcoursestep'),
         ]);
 
@@ -113,8 +118,7 @@ public function __construct($filterdata = [])
      * @param object $row
      * @return string
      */
-    public function col_actions($row)
-    {
+    public function col_actions($row) {
         global $OUTPUT;
 
         $actionmenu = new \action_menu();
@@ -142,16 +146,17 @@ public function col_actions($row)
      * @param $row
      * @return string
      */
-    public function col_createdat($row)
-    {
-        return userdate($row->createdat);
+    public function col_datecreated($row) {
+        return userdate($row->datecreated);
     }
 
     /**
      * Display size in user friendly format.
+     *
+     * @param $row
+     * @return string
      */
-    public function col_filesize($row)
-    {
+    public function col_filesize($row) {
         return display_size($row->filesize);
     }
-}
\ No newline at end of file
+}
diff --git a/classes/lifecycle/step.php b/classes/lifecycle/step.php
index 7caec28..be3cc07 100644
--- a/classes/lifecycle/step.php
+++ b/classes/lifecycle/step.php
@@ -16,6 +16,8 @@
 
 namespace tool_lcbackupcoursestep\lifecycle;
 
+defined('MOODLE_INTERNAL') || die();
+
 global $CFG;
 require_once($CFG->dirroot . '/admin/tool/lifecycle/step/lib.php');
 
@@ -28,20 +30,42 @@
 use tool_lifecycle\step\instance_setting;
 use tool_lifecycle\step\libbase;
 
-defined('MOODLE_INTERNAL') || die();
-
+/**
+ * Defines the backup course step.
+ *
+ * @package     tool_lcbackupcoursestep
+ * @copyright   2024 Catalyst IT
+ * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
 class step extends libbase {
-    public function get_subpluginname()
-    {
+    /**
+     * Returns the subplugin name.
+     *
+     * @return string
+     */
+    public function get_subpluginname() {
         return 'tool_lcbackupcoursestep';
     }
 
+
+    /**
+     * Returns the description.
+     *
+     * @return string
+     */
     public function get_plugin_description() {
         return "Backup course";
     }
 
-    public function process_course($processid, $instanceid, $course)
-    {
+    /**
+     * Processes the course.
+     *
+     * @param int $processid the process id.
+     * @param int $instanceid step instance id.
+     * @param object $course the course object.
+     * @return step_response
+     */
+    public function process_course($processid, $instanceid, $course) {
         $courseid = $course->id;
 
         // Get backup settings.
@@ -109,6 +133,11 @@ public function process_course($processid, $instanceid, $course)
         return step_response::proceed();
     }
 
+    /**
+     * Returns the instance settings.
+     *
+     * @return array
+     */
     public function instance_settings() {
         return [
             new instance_setting('backup_users', PARAM_BOOL, true),
@@ -132,6 +161,11 @@ public function instance_settings() {
         ];
     }
 
+    /**
+     * Adds the instance form definition.
+     *
+     * @param \moodleform $mform the form.
+     */
     public function extend_add_instance_form_definition($mform) {
         // Backup settings.
 
@@ -224,18 +258,18 @@ public function extend_add_instance_form_definition($mform) {
         $mform->addElement('advcheckbox', 'backup_legacyfiles', get_string('generallegacyfiles', 'backup'));
         $mform->setType('backup_legacyfiles', PARAM_BOOL);
         $mform->setDefault('backup_legacyfiles', true);
-
     }
 
-    public function get_plugin_settings()
-    {
+    /**
+     * Returns the instance settings.
+     *
+     * @return void
+     */
+    public function get_plugin_settings() {
         global $ADMIN;
-
         // Page to show the list of backed up courses.
         $ADMIN->add('lifecycle_category', new admin_externalpage('tool_lcbackupcoursestep_courses',
             get_string('backedupcourses', 'tool_lcbackupcoursestep'),
             new moodle_url('/admin/tool/lcbackupcoursestep/courses.php')));
-
     }
-
 }
diff --git a/classes/privacy/provider.php b/classes/privacy/provider.php
index 838d5c6..9c3e488 100644
--- a/classes/privacy/provider.php
+++ b/classes/privacy/provider.php
@@ -21,7 +21,8 @@
 /**
  * Privacy subsystem implementation for tool_samplestep.
  *
- * @package     tool_samplestep
+ * @package     tool_lcbackupcoursestep
+ * @copyright   2024 Catalyst IT
  * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 class provider implements null_provider {
@@ -32,7 +33,7 @@ class provider implements null_provider {
      *
      * @return string the reason
      */
-    public static function get_reason() : string {
+    public static function get_reason(): string {
         return 'privacy:metadata';
     }
 }
diff --git a/courses.php b/courses.php
index 891211c..2efe375 100644
--- a/courses.php
+++ b/courses.php
@@ -17,8 +17,9 @@
 /**
  * Displays backed up courses.
  *
- * @package tool_lcbackupcourselogstep
- * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @package     tool_lcbackupcoursestep
+ * @copyright   2024 Catalyst IT
+ * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 
 use tool_lcbackupcoursestep\lifecycle\course_table;
@@ -66,11 +67,11 @@
         case 'restore':
             $context = \context_system::instance();
             $restoreurl = new \moodle_url('/backup/restore.php',
-                array(
+                [
                     'contextid' => $context->id,
                     'pathnamehash' => $file->get_pathnamehash(),
                     'contenthash' => $file->get_contenthash(),
-                )
+                ]
             );
             redirect($restoreurl);
         default:
diff --git a/lang/en/tool_lcbackupcoursestep.php b/lang/en/tool_lcbackupcoursestep.php
index 9e099d3..d9ec442 100644
--- a/lang/en/tool_lcbackupcoursestep.php
+++ b/lang/en/tool_lcbackupcoursestep.php
@@ -14,6 +14,14 @@
 // You should have received a copy of the GNU General Public License
 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
 
+/**
+ * String definitions for the tool_lcbackupcoursestep plugin.
+ *
+ * @package     tool_lcbackupcoursestep
+ * @copyright   2024 Catalyst IT
+ * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
 $string['pluginname'] = 'Backup course step';
 $string['privacy:metadata'] = 'The plugin does not store any personal data.';
 $string['backedupcourses'] = 'Backed up courses';
@@ -22,5 +30,5 @@
 $string['course_fullname_header'] = 'Course fullname name';
 $string['filename_header'] = 'File name';
 $string['filesize_header'] = 'File size';
-$string['createdat_header'] = 'Created at';
+$string['datecreated_header'] = 'Created at';
 $string['actions_header'] = 'Actions';
diff --git a/tests/step_test.php b/tests/step_test.php
index 7070503..0d56787 100644
--- a/tests/step_test.php
+++ b/tests/step_test.php
@@ -17,10 +17,11 @@
 /**
  * Trigger test for end date delay trigger.
  *
- * @package    tool_lcbackupcoursestep
- * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @package     tool_lcbackupcoursestep
+ * @copyright   2024 Catalyst IT
+ * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
-namespace tool_lcbackupcoursestep\tests;
+namespace tool_lcbackupcoursestep;
 
 use backup;
 use restore_controller;
@@ -34,8 +35,6 @@
 use tool_lifecycle\processor;
 use tool_lifecycle\settings_type;
 
-defined('MOODLE_INTERNAL') || die();
-
 /**
  * Trigger test for start date delay trigger.
  *
@@ -58,9 +57,13 @@ class step_test extends \advanced_testcase {
     /** @var \stdClass $course Instance of the course under test. */
     private $course;
 
+    /** @var \stdClass $student Instance of the student user. */
     private $student;
 
-    public function setUp() : void {
+    /**
+     * Set up the test.
+     */
+    public function setUp(): void {
         global $USER, $DB;
 
         // We do not need a sesskey check in these tests.
@@ -109,10 +112,10 @@ public function setUp() : void {
         $this->student = $this->getDataGenerator()->create_user();
         $this->getDataGenerator()->enrol_user($this->student->id, $this->course->id);
 
-        // Create an assigment in the course
+        // Create an assigment in the course.
         $this->getDataGenerator()->create_module('assign', [
             'name' => "Test assign",
-            'course' => $this->course->id
+            'course' => $this->course->id,
         ]);
 
         // Activate the workflow.
@@ -121,6 +124,7 @@ public function setUp() : void {
 
     /**
      * Test course is backed up.
+     * @covers \tool_lcbackupcoursestep\lifecycle\step::process_course
      */
     public function test_backup_course_step() {
         global $DB, $CFG;
@@ -146,7 +150,7 @@ public function test_backup_course_step() {
                 'component' => 'tool_lcbackupcoursestep',
                 'filearea' => 'course_backup',
                 'filepath' => '/',
-                'filename' => '.'
+                'filename' => '.',
             ]
         );
 
@@ -170,7 +174,7 @@ public function test_backup_course_step() {
         $path = $CFG->tempdir . DIRECTORY_SEPARATOR . "backup" . DIRECTORY_SEPARATOR . $backupdir;
         $storedfile->extract_to_pathname(get_file_packer('application/vnd.moodle.backup'), $path);
 
-        // Restore course
+        // Restore course.
         list($fullname, $shortname) = restore_dbops::calculate_course_names(0, get_string('restoringcourse', 'backup'),
             get_string('restoringcourseshortname', 'backup'));
 
@@ -197,7 +201,5 @@ public function test_backup_course_step() {
 
         // There is an assignment in the course.
         $this->assertNotEmpty($DB->get_record('assign', ['course' => $courseid]));
-
     }
-
 }
diff --git a/version.php b/version.php
index 509e04e..b2e2439 100644
--- a/version.php
+++ b/version.php
@@ -15,10 +15,11 @@
 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
 
 /**
- * Back up course
+ * Version details.
  *
- * @package    core
- * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @package     tool_lcbackupcoursestep
+ * @copyright   2024 Catalyst IT
+ * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 
 defined('MOODLE_INTERNAL') || die();
@@ -27,8 +28,8 @@
 $plugin->requires  = 2022041200;
 $plugin->component = 'tool_lcbackupcoursestep';
 
-$plugin->dependencies = array(
-    'tool_lifecycle' => 2023050201
-);
+$plugin->dependencies = [
+    'tool_lifecycle' => 2023050201,
+];
 
 $plugin->supported = [401, 405];