[css-ruby] Fix bikeshed errors

Author: frivoal

css-ruby-1/Overview.bs

@@ -291,7 +291,7 @@ Anonymous Ruby Box Generation</h3>
 			(For this purpose, misparented <i>internal table elements</i>
 			are treated as <a>inline-level content</a>
 			since, being parented by ruby boxes,
-			they will be ultimately wrapped by an <a>inline table</a>.)
+			they will be ultimately wrapped by an [=inline-level=] [=table wrapper box=].)
 
 			However, if an anonymous box so constructed contains only <i>white space</i>,
 			it is considered <dfn>intra-ruby white space</dfn>
@@ -1592,7 +1592,7 @@ Changes since the 19 September 2013 WD</h3>
 		Changes since the 30 June 2011 WD</h3>
 
 		<dl>
-				<dt>Remove 'ruby-span' and mentions of
+				<dt>Remove <code>ruby-span</code> and mentions of
 				 <code>rbspan</code>.
 
 				<dd> Explicit spanning is not used in HTML ruby in favor of implicit
@@ -1603,7 +1603,7 @@ Changes since the 19 September 2013 WD</h3>
 				 from tables. It doesn't seem necessary to include controls this in Level
 				 1.)
 
-				<dt>Defer 'ruby-overhang' and <code>ruby-align: line-end</code> to Level 2.
+				<dt>Defer <code>ruby-overhang</code> and <code>ruby-align: line-end</code> to Level 2.
 
 				<dd> It's somewhat complicated, advanced feature. Proposal is to make this
 				 behavior UA-defined and provide some examples of acceptable options.