Added missing comments.

module/VuFindTheme/src/VuFindTheme/Mobile.php

@@ -69,6 +69,8 @@ class Mobile
      * Function to set enabled status of mobile themes.
      *
      * @param bool $enabled Are mobile themes enabled?
+     *
+     * @return bool
      */
     public function enable($enabled = true)
     {

module/VuFindTheme/src/VuFindTheme/ThemeInfo.php

@@ -70,7 +70,8 @@ class ThemeInfo
     /**
      * Constructor
      *
-     * @param string $baseDir Base directory for theme files.
+     * @param string $baseDir   Base directory for theme files.
+     * @param string $safeTheme Theme that should be guaranteed to exist.
      */
     public function __construct($baseDir, $safeTheme)
     {