Fixed typo

FAQ.md

@@ -229,7 +229,7 @@ Fonts, sizes, colors, etc should be material design whenever possible.
 * [(104) What do I need to know about error reporting?](#user-content-faq104)
 * [(105) How does the roam-like-at-home option work?](#user-content-faq105)
 * [(106) Which launchers can show a badge count with the number of unread messages?](#user-content-faq106)
-* [(107) How do I used colored stars?](#user-content-faq107)
+* [(107) How do I use colored stars?](#user-content-faq107)
 * [(108) Can you add permanently delete messages from any folder?](#user-content-faq108)
 * [~~(109) Why is 'select account' available in official versions only?~~](#user-content-faq109)
 * [(110) Why are (some) messages empty and/or attachments corrupted?](#user-content-faq110)