classname changes to docs

node/src/documents/collections/grid.html

@@ -8,14 +8,14 @@ type   : 'UI Collection'
 
 <div class="segment">
   <div class="ui grid">
-    <div class="eight across column">
+    <div class="eight wide column">
       <h1>Grid</h1>
       <p>A grid is a set of elements without a visual definition, that creates a structure to harmonize negative space in a layout.</p>
     </div>
   </div>
 </div>
 <div class="main ui grid">
-<div class="eight across column">
+<div class="eight wide column">
   
   <h2>Collection</h2>