diff --git a/2-ui/2-events/03-event-delegation/article.md b/2-ui/2-events/03-event-delegation/article.md
index 4d002116..e146a6f2 100644
--- a/2-ui/2-events/03-event-delegation/article.md
+++ b/2-ui/2-events/03-event-delegation/article.md
@@ -21,9 +21,9 @@ The HTML is like this:
     <th colspan="3"><em>Bagua</em> Chart: Direction, Element, Color, Meaning</th>
   </tr>
   <tr>
-    <td>...<strong>Northwest</strong>...</td>
-    <td>...</td>
-    <td>...</td>
+    <td class="nw"><strong>Northwest</strong><br>Metal<br>Silver<br>Elders</td>
+    <td class="n">...</td>
+    <td class="ne">...</td>
   </tr>
   <tr>...2 more lines of this kind...</tr>
   <tr>...2 more lines of this kind...</tr>