typo in columns module

I spotted a typo in the multi-column layout module. Section 3 says,  
"The top margin of elements in the first column collases with  
preceding margins in much the same way as they would if the element  
did not use columns. "

Should be "collapses".

http://www.w3.org/TR/2005/WD-css3-multicol-20051215/#the-multi-column