[css-flexbox] bikeshed fixups

Author: tabatkins

css-flexbox/Overview.bs

@@ -895,7 +895,7 @@ Implied Minimum Size of Flex Items</h3>
 	New computed value: the percentage as specified or the absolute length or a keyword
 	</pre>
 
-	<dl dfn-type=value dfn-for="min-width min-height">
+	<dl dfn-type=value dfn-for="min-width, min-height">
 		<dt><dfn>auto</dfn>
 		<dd>
 			On a <a>flex item</a> whose 'overflow' is ''overflow/visible'' in the <a>main axis</a>,
@@ -1277,7 +1277,7 @@ Reordering and Accessibility</h4>
 		(such as <a href="http://www.w3.org/TR/css3-speech/">speech</a>).
 		Likewise, 'order' does not affect
 		the default traversal order of sequential navigation modes
-		(such as cycling through links, see e.g. 'nav-index' [[CSS3UI]] or <a href="http://www.w3.org/TR/1999/REC-html401-19991224/interact/forms.html#adef-tabindex"><code>tabindex</code></a> [[HTML40]]).
+		(such as cycling through links, see e.g. <a href="http://www.w3.org/TR/1999/REC-html401-19991224/interact/forms.html#adef-tabindex"><code>tabindex</code></a> [[HTML40]]).
 		Authors <em>must</em> use 'order' only for visual, not logical, reordering of content;
 		style sheets that use 'order' to perform logical reordering are non-conforming.
 
@@ -2008,7 +2008,7 @@ Cross-axis Alignment: the 'align-items' and 'align-self' properties</h3>
 		or ''align-self/stretch'' if the element has no parent.
 		The alignments are defined as:
 
-	<dl dfn-type=value dfn-for="align-items align-self">
+	<dl dfn-type=value dfn-for="align-items, align-self">
 		<dt><dfn>flex-start</dfn>
 		<dd>
 			The <a>cross-start</a> margin edge of the <a>flex item</a>