Board Thread:Support Requests - Getting Technical/@comment-25040531-20150325012920/@comment-1142365-20150325183049

Hmm.. I tried doing that on Battlefield Wiki's weapon infobox but a plain newline didn't work. See here for what I mean.

Maybe it would be a good idea to see the template that's causing the issue OP has, since it seems that the solution is sensitive to the template.