Fix urls on faq

gsoc/display/data/faq/contact_mentor.md

@@ -1,7 +1,7 @@
 All mentors are in their sub-org mailing lists, and many are active on the chatting
 rooms available on [\[matrix\]](https://riot.im/app/#/room/#openastronomy:matrix.org),
-IRC [#openastronomy@freenode](irc://irc.freenode.net/#openastronomy),
+IRC [#openastronomy@freenode](http://webchat.freenode.net/?channels=#openastronomy),
 [gitter](https://gitter.im/OpenAstronomy/Lobby?utm_source=share-link&utm_medium=link&utm_campaign=share-link)
-or [slack](openastronomy.slack.com).
+or [slack](https://openastronomy.slack.com).
 
 Just drop by and leave us a message!