Simplify the following text for a Grade 12 native English-speaking person.
Original: This essay , WP :98 percent table width anomaly addresses the issue of some tables ( since 2008 , still in September 2010 ) , with class = wikitable or class = infobox triggering the bottom scroll bar when width is set above 98 % .
Simplified: This essay , WP :98 percent table width anomaly addresses the issue of some tables ( since 2008 , as of June 2009 ) , with class = wikitable or class = infobox triggering the bottom scroll bar when width is set above 98 % .