Right now the confirmation shows the LibreOffice version by default. It better tells the user what type of message is shown and where it comes from.
Samuel Mehrbrodt committed a patch related to this issue. It has been pushed to "master": http://cgit.freedesktop.org/libreoffice/core/commit/?id=41905ffb2a3d8d1362fe55690bf2a716b1e04064 tdf#108809 Message boxes: Add more descriptive window title It will be available in 6.0.0. The patch should be included in the daily builds available at http://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More information about daily builds can be found at: http://wiki.documentfoundation.org/Testing_Daily_Builds Affected users are encouraged to test the fix and report feedback.