Add i18n info

ideas.md

@@ -29,11 +29,16 @@ wishlist items.
 - **Mentor:** Pending
 - **Skills:** Rails
+It would be nice if GitLab's UI could be translated to other languages than
+English. This feature must be implemented in a way that the community could
+easily provide their translations. There is an ongoing discussion in the issue
+linked above where you can find more information.
+
 ## Mailing list functionality
 - **Relevant Issue:** https://gitlab.com/gitlab-org/gitlab-ce/issues/4272
 - **Mentor:** Pending
-- **Skills:** Rails, some theory behind how the various mail protocols work
+- **Skills:** Rails, some theory on how the various mail protocols work
 Right now, everyone that wants a mailing list for their project is required to
 use an external one like Google Groups.