Author and license links

README.md

@@ -10,7 +10,7 @@ Muzei art source extension for [Pixiv][].
 This extension for Roman Nurik's *[Muzei][] Live Wallpaper* app uses some
 unofficial APIs from Pixiv to fetch random artworks.
 
-Written by Hong Minhee, and distributed under GPLv3 or any later version.
+Written by [Hong Minhee][], and distributed under [GPLv3][] or any later version.
 
 This is not a standalone app.  It requires Muzei app to be installed.
 https://play.google.com/store/apps/details?id=net.nurik.roman.muzei
@@ -19,5 +19,7 @@ https://play.google.com/store/apps/details?id=net.nurik.roman.muzei
 
 [Pixiv]: http://www.pixiv.com/
 [Muzei]: http://www.muzei.co/
+[Hong Minhee]: http://dahlia.kr/
+[GPLv3]: http://www.gnu.org/licenses/gpl-3.0.html
 [play]: https://play.google.com/store/apps/details?id=com.pixiv.muzei.pixivsource
 [badge]: https://developer.android.com/images/brand/en_generic_rgb_wo_45.png