diff --git a/docs/assets/bootstrap.zip b/docs/assets/bootstrap.zip
index 49f0cee97b..991e353736 100644
Binary files a/docs/assets/bootstrap.zip and b/docs/assets/bootstrap.zip differ
diff --git a/docs/base-css.html b/docs/base-css.html
index 22d6262ff6..b76ace1e24 100644
--- a/docs/base-css.html
+++ b/docs/base-css.html
@@ -1059,7 +1059,7 @@ For example, <code>section</code> should be wrapped as inline.
       <p>Bootstrap features styles for browser-supported focused and <code>disabled</code> states. We remove the default Webkit <code>outline</code> and apply a <code>box-shadow</code> in it's place for <code>:focus</code>.</p>
       <hr>
       <h3>Form validation</h3>
-      <p>It also includes validation styles for errors, warnings, and success. To use, add the a class to the surrounding <code>.control-group</code>.</p>
+      <p>It also includes validation styles for errors, warnings, and success. To use, add the error class to the surrounding <code>.control-group</code>.</p>
 <pre class="prettyprint linenums">
 &lt;fieldset
   class="control-group error"&gt;
diff --git a/docs/templates/pages/base-css.mustache b/docs/templates/pages/base-css.mustache
index dedc201f35..95de45e093 100644
--- a/docs/templates/pages/base-css.mustache
+++ b/docs/templates/pages/base-css.mustache
@@ -983,7 +983,7 @@
       <p>{{_i}}Bootstrap features styles for browser-supported focused and <code>disabled</code> states. We remove the default Webkit <code>outline</code> and apply a <code>box-shadow</code> in it's place for <code>:focus</code>.{{/i}}</p>
       <hr>
       <h3>{{_i}}Form validation{{/i}}</h3>
-      <p>{{_i}}It also includes validation styles for errors, warnings, and success. To use, add the a class to the surrounding <code>.control-group</code>.{{/i}}</p>
+      <p>{{_i}}It also includes validation styles for errors, warnings, and success. To use, add the error class to the surrounding <code>.control-group</code>.{{/i}}</p>
 <pre class="prettyprint linenums">
 &lt;fieldset
   class="control-group error"&gt;