Minor - format code

main/inc/lib/plugin.class.php

@@ -892,7 +892,6 @@ class Plugin
         return true;
     }
 
-
     /**
      * Get the admin URL for the plugin if Plugin::isAdminPlugin is true.
      *

main/inc/lib/tracking.lib.php

@@ -3995,8 +3995,8 @@ class Tracking
      * This function counts the number of post by course.
      *
      * @param string $course_code
-     * @param int    $session_id (optional), if is null(default) it'll return results including sessions,
-     *                           0 = session is not filtered
+     * @param int    $session_id  (optional), if is null(default) it'll return results including sessions,
+     *                            0 = session is not filtered
      * @param int    $groupId
      *
      * @return int The number of post by course

plugin/customcertificate/src/CustomCertificatePlugin.php

@@ -194,6 +194,7 @@ class CustomCertificatePlugin extends Plugin
 
     /**
      * By default new icon is invisible.
+     *
      * @return bool
      */
     public function isIconVisibleByDefault()