diff --git a/docs/base-css.html b/docs/base-css.html
index 5d67727016..1a9c4e15ab 100644
--- a/docs/base-css.html
+++ b/docs/base-css.html
@@ -868,7 +868,7 @@
     <tbody>
       <tr>
         <th>Vertical (default)</th>
-        <td><code>.vertical-form</code> <span class="muted">(not required)</span></td>
+        <td><code>.form-vertical</code> <span class="muted">(not required)</span></td>
         <td>Stacked, left-aligned labels over controls</td>
       </tr>
       <tr>
diff --git a/docs/templates/pages/base-css.mustache b/docs/templates/pages/base-css.mustache
index 4c70510783..4263bead3b 100644
--- a/docs/templates/pages/base-css.mustache
+++ b/docs/templates/pages/base-css.mustache
@@ -804,7 +804,7 @@
     <tbody>
       <tr>
         <th>{{_i}}Vertical (default){{/i}}</th>
-        <td><code>.vertical-form</code> <span class="muted">({{_i}}not required{{/i}})</span></td>
+        <td><code>.form-vertical</code> <span class="muted">({{_i}}not required{{/i}})</span></td>
         <td>{{_i}}Stacked, left-aligned labels over controls{{/i}}</td>
       </tr>
       <tr>