If I post a question with the help panel from an article with a space in its namespace or title, those get put into titles as undescores. I think it would look better and less technical if they were actual spaces. See the screenshot below.
|Resolved||MMiller_WMF||T206711 [EPIC] Growth: help panel|
|Resolved||kostajh||T212816 Help panel: headers contain underscores instead of spaces|