Added "How to change the title of the site?" to the FAQ #455

docs/FAQ.md

@@ -53,3 +53,6 @@ Yes. Lychee uses ImageMagick when available.
 
 #### Blank screen when viewing a photo using iOS
 There's a problem with images compressed by ImageOptim. [Read more.](https://github.com/electerious/Lychee/issues/175#issuecomment-47403992)
+
+#### How to change the title of the site?
+[#455](https://github.com/electerious/Lychee/issues/455)