[css-sizing] Fix typo, add issue.

Author: fantasai

css-sizing/Overview.bs

@@ -131,7 +131,7 @@ Auto Box Sizes</h3>
 			and computed by the rules in <a href="http://www.w3.org/TR/CSS21/visudet.html#blockwidth">CSS2.1§10.3.3</a>.
 
 		: <dfn>max-content size</dfn>
-		:: Roughly, the small <a>size</a> a box could take in a given axis while fitting around its contents
+		:: Roughly, the smallest <a>size</a> a box could take in a given axis
 			while still fitting around its contents,
 			i.e. minimizing unfilled space while avoiding overflow.
 
@@ -438,6 +438,9 @@ Intrinsic Sizes of Non-Replaced Blocks</h3>
 		is the block-size of the block after layout,
 		plus any <a>block-axis</a> margin, border, and padding.
 
+	Issue: Need to handle floats.
+	See <a href="https://lists.w3.org/Archives/Public/www-style/2014Oct/0061.html">Greg's issue</a>
+	and <a href="https://lists.w3.org/Archives/Public/www-style/2014Nov/0085.html">dbaron's response</a>.
 
 <h3 id='table-intrinsic'>
 Intrinsic Sizes in Table Layout</h3>