--- a/responsive-images/responsive-images.html	Mon Aug 27 17:01:34 2012 -0700
+++ b/responsive-images/responsive-images.html	Wed Aug 29 11:43:23 2012 -0400
@@ -127,7 +127,7 @@
 
     <section>
 	<h1>Picture Element</h1>
-	<p>The <dfn><code>picture</code> element</dfn> represents a list sources of image data and associated attributes that define when an image should be used. Image data sources may be explicitly declared based on media queries or can be suggested to the browser via the <a>srcset attribute</a> on the picture element.</p>
+	<p>The <dfn><code>picture</code> element</dfn> represents a list of sources of image data and associated attributes that define when an image should be used. Image data sources may be explicitly declared based on media queries or can be suggested to the browser via the <a>srcset attribute</a> on the picture element.</p>
 	<p>Sample picture element markup:</p>
 
 <pre class="example">&lt;picture alt=&quot;&quot;&gt;