MDL-43557 events: fixed minor issues in existing events

mod/data/classes/event/comment_deleted.php

@@ -15,7 +15,7 @@
 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
 
 /**
- * mod_data comment deleted event.
+ * The mod_data comment deleted event.
  *
  * @package    mod_data
  * @copyright  2013 Rajesh Taneja <[email protected]>
@@ -26,7 +26,7 @@ namespace mod_data\event;
 defined('MOODLE_INTERNAL') || die();
 
 /**
- * mod_data comment deleted event.
+ * The mod_data comment deleted event class.
  *
  * @package    mod_data
  * @since      Moodle 2.7
@@ -49,6 +49,7 @@ class comment_deleted extends \core\event\comment_deleted {
      * @return string
      */
     public function get_description() {
-        return 'User with id ' . $this->userid . ' deleted comment for database activity with id ' . $this->other['itemid'];
+        return "The user with the id '$this->userid' deleted the comment with the id '$this->objectid' from the database activity with " .
+            "the course module id '$this->contextinstanceid'.";
     }
 }