Fix some typos

Signed-off-by: marcin mikołajczak <git@mkljczk.pl>

packages/pl-api/lib/features.ts

@@ -26,7 +26,7 @@ const FIREFISH = 'Firefish';
 const FRIENDICA = 'Friendica';
 
 /**
- * GoToSocial, an ActivityPub server writter in Golang.
+ * GoToSocial, an ActivityPub server written in Golang.
  * @see {@link https://gotosocial.org/}
  */
 const GOTOSOCIAL = 'GoToSocial';
@@ -518,6 +518,11 @@ const getFeatures = (instance: Instance) => {
       v.software === MASTODON,
     ]),
 
+    /**
+     * TODO
+     */
+    // followAccountLanguages: any([]),
+
     /**
      * Ability to follow hashtags.
      * @see POST /api/v1/tags/:name/follow