fix markup validation

diff --git a/docs/utilities/vertical-align.md b/docs/utilities/vertical-align.md
index 8e03e58a611dcf1db83ef42429369f09f67f8eaa..09ae115b084e3d99ecf59d38183326a569cfced2 100644 (file)
--- a/docs/utilities/vertical-align.md
+++ b/docs/utilities/vertical-align.md
@@ -23,11 +23,15 @@ With table cells:
 
 {% example html %}
 <table style="height: 100px;">
-  <td class="align-baseline">baseline</td>
-  <td class="align-top">top</td>
-  <td class="align-middle">middle</td>
-  <td class="align-bottom">bottom</td>
-  <td class="align-text-top">text-top</td>
-  <td class="align-text-bottom">text-bottom</td>
+  <tbody>
+    <tr>
+      <td class="align-baseline">baseline</td>
+      <td class="align-top">top</td>
+      <td class="align-middle">middle</td>
+      <td class="align-bottom">bottom</td>
+      <td class="align-text-top">text-top</td>
+      <td class="align-text-bottom">text-bottom</td>
+    </tr>
+  </tbody>
 </table>
 {% endexample %}