Fix typo in the markup

Author: Florian Rivoal

css3-mediaqueries/Overview.html

@@ -1133,11 +1133,11 @@ <h3 id=resolution0><span class=secno>6.1. </span>Resolution</h3>
   <dl>
    <dt>dpi
 
-   <dd>dots per CSS &lsquo;<code class=property>inch</code>&rsquo;
+   <dd>dots per CSS &lsquo;<code class=css>inch</code>&rsquo;
 
    <dt>dpcm
 
-   <dd>dots per CSS &lsquo;<code class=property>centimeter</code>&rsquo;
+   <dd>dots per CSS &lsquo;<code class=css>centimeter</code>&rsquo;
   </dl>
 
   <p>In this specification, these units are only used in the &lsquo;<code

css3-mediaqueries/Overview.src.html

@@ -997,10 +997,10 @@ <h3>Resolution</h3>
 
 <dl>
 <dt>dpi</dt>
-<dd>dots per CSS 'inch'</dd>
+<dd>dots per CSS ''inch''</dd>
 
 <dt>dpcm</dt>
-<dd>dots per CSS 'centimeter'</dd>
+<dd>dots per CSS ''centimeter''</dd>
 </dl>
 
 <p>In this specification, these units are only used in the