Board Thread:Support Requests - Designing Your Wikia/@comment-15664906-20140407225032/@comment-770155-20140408224012

Keep in mind this only works for people visiting your chat using English as their system language (set in Special:Preferences). You actually have to specify this message for every language that is supported: etc.
 * MediaWiki:Chat-welcome-message
 * MediaWiki:Chat-welcome-message/de
 * MediaWiki:Chat-welcome-message/pl