Make warning from #13875 slightly more detailed

[skip sauce]

docs/_includes/js/buttons.html

@@ -144,7 +144,7 @@ $('.btn').button()
 
   <div class="bs-callout bs-callout-danger">
     <h4>Cross-browser compatibility</h4>
-    <p><a href="https://github.com/twbs/bootstrap/issues/793">Firefox persists form control states across page loads</a>. A workaround for this is to use <code>autocomplete="off"</code>.</p>
+    <p><a href="https://github.com/twbs/bootstrap/issues/793">Firefox persists form control states (disabledness and checkedness) across page loads</a>. A workaround for this is to use <code>autocomplete="off"</code>.</p>
   </div>
 
   <h4>$().button('reset')</h4>