Board Thread:General Discussion/@comment-4129195-20150811223115/@comment-303594-20150817085634

I explained it in my above post: 'The correct page is MediaWiki:Sitenotice id - MediaWiki:Sitenotice can be dismissed, when this happens, it won't show up again until Sitenotice id changes, i.e. when a new message has been put there. Sitenotice only works on Monobook at this time.''

If you don't understand - can you tell me what bit you're lost on and I'll try again