[css-tables] Editorial fix

Author: FremyCompany

css-tables-3/Overview.bs

@@ -1980,7 +1980,7 @@ spec:css22; type:property; text:display
 				the top of the cell box
 				and the baseline over all cells that have 'vertical-align: baseline'
 				is used to set the <dfn id="table-row-baseline">baseline of the row</dfn>.
-			If a row has no cell that has 'vertical-align: basline',
+			If a row doesn't have any cell that has 'vertical-align: baseline',
 				the baseline of that row is the bottom content edge of the lowest cell in the row.
 
 			The <dfn id="table-root-baseline">baseline of a table-root</dfn> is the baseline of its first row, if any.