Fix typo

documentation/build/include/layout.html

@@ -25,7 +25,7 @@
 
   <h3>Skins</h3>
   <p class="lead">Skins can be found in the dist/css/skins folder.
-    Choose and the skin file that you want then add the appropriate
+    Choose the skin file that you want and then add the appropriate
     class to the body tag to change the template's appearance. Here is the list of available skins:</p>
   <div class="box box-solid" style="max-width: 300px;">
     <div class="box-body no-padding">