Merge pull request #91 from knewter/patch-1

Fix typo (an icon sets contains -> an icon set contains)

Author: jlukic

server/documents/elements/icon.html.eco

@@ -22,7 +22,7 @@ themes      : ['Default']
   <div class="ui active tab" data-tab="icons">
 
     <h2 class="ui header">Icon Set</h2>
-    <p>An icon sets contains an arbitrary number of glyphs</p>
+    <p>An icon set contains an arbitrary number of glyphs</p>
     <div class="ui ignored warning message">
       Icons serve a very similar function to text in a page. In Semantic icons receive a special tag <code>&lt;i&gt;</code> which allow for an abbreviated markup when sitting along-side text.
     </div>