diff --git a/docs/assets/bootstrap.zip b/docs/assets/bootstrap.zip
index 99ff15c06c..d43ca5f9aa 100644
Binary files a/docs/assets/bootstrap.zip and b/docs/assets/bootstrap.zip differ
diff --git a/docs/templates/pages/upgrading.mustache b/docs/templates/pages/upgrading.mustache
index d92cc04dd3..56b0d4bf78 100644
--- a/docs/templates/pages/upgrading.mustache
+++ b/docs/templates/pages/upgrading.mustache
@@ -82,6 +82,7 @@
     <li>{{_i}}Default form style is now vertical (stacked) to use less CSS and add greater flexibility{{/i}}</li>
     <li>{{_i}}Form classes standardized with <code>.form-</code> required as a prefix{{/i}}</li>
     <li>{{_i}}New built-in form defaults for search, inline, and horizontal forms{{/i}}</li>
+    <li>{{_i}}For horizontal forms, previous classes <code>.clearfix</code> and <code>.input</code> are equivalent to the new <code>.control-group</code> and <code>.controls</code>.{{/i}}</li>
     <li>{{_i}}More flexible horizontal form markup with classes for all styling, including new optional class for the <code>label</code>{{/i}}</li>
     <li>{{_i}}Form states: colors updated and customizable via new LESS variables{{/i}}</li>
   </ul>
diff --git a/docs/upgrading.html b/docs/upgrading.html
index ad3236f2b8..5a7b0d2f6f 100644
--- a/docs/upgrading.html
+++ b/docs/upgrading.html
@@ -158,6 +158,7 @@
     <li>Default form style is now vertical (stacked) to use less CSS and add greater flexibility</li>
     <li>Form classes standardized with <code>.form-</code> required as a prefix</li>
     <li>New built-in form defaults for search, inline, and horizontal forms</li>
+    <li>For horizontal forms, previous classes <code>.clearfix</code> and <code>.input</code> are equivalent to the new <code>.control-group</code> and <code>.controls</code>.</li>
     <li>More flexible horizontal form markup with classes for all styling, including new optional class for the <code>label</code></li>
     <li>Form states: colors updated and customizable via new LESS variables</li>
   </ul>