diff --git a/css/index.html b/css/index.html
index d85293b303..1ba4471ddd 100644
--- a/css/index.html
+++ b/css/index.html
@@ -2002,7 +2002,7 @@ To edit settings, press <span class="nt">&lt;kbd&gt;&lt;kbd&gt;</span>ctrl<span
 
   <div class="bs-callout bs-callout-danger">
     <h4>Cross-browser compatibility</h4>
-    <p>While Bootstrap will apply these styles in all browsers, Internet Explorer 9 and below don't actually support the <code>disabled</code> attribute on a <code>&lt;fieldset&gt;</code>. Use custom JavaScript to disable the fieldset in these browsers.</p>
+    <p>While Bootstrap will apply these styles in all browsers, Internet Explorer 11 and below don't fully support the <code>disabled</code> attribute on a <code>&lt;fieldset&gt;</code>. Use custom JavaScript to disable the fieldset in these browsers.</p>
   </div>
 
   <div class="bs-example">