VE is adding <br> tags into section headings.
https://en.wikipedia.org/w/index.php?title=2016_Port_Adelaide_Football_Club_season&type=revision&diff=688043103&oldid=688042672
https://en.wikipedia.org/w/index.php?title=Red_flour_beetle&type=revision&diff=683122960&oldid=683066473
https://en.wikipedia.org/w/index.php?title=Pennoni_Honors_College&type=revision&diff=681007025&oldid=607178075
https://en.wikipedia.org/w/index.php?title=Lebanese_International_University&type=revision&diff=681943283&oldid=680423695