[css-tables] Editorial fix

Author: FremyCompany

css-tables-3/Overview.bs

@@ -1816,16 +1816,20 @@ spec:css22; type:property; text:display
 				in neither case, this will have an impact on the baseline of the rows).
 
 			<div class="advisement">
+
 				Once the final size of the table and the rows has been determined,
 					the content of the table-cells must also go through a second layout pass,
 					where, if appropriate, percentage-based heights are this time resolved 
 					against their parent cell used height.
+
 				It is appropriate to resolve percentage heights on direct children of table cells
 					if the cell is considered to have its height specified explicitly
 					or the element is absolutely positioned, see <a href="http://www.w3.org/TR/CSS2/visudet.html#the-height-property">CSS 2</a>.
+
 				It is further clarified that 
 					a cell is considered to have its height specified explicitly
 					if the computed height of the cell or any of its table ancestors is a length or percentage. 
+					
 			</div>
 
 			<div class="note">