diff --git a/docs/configuration.md b/docs/configuration.md
index dff08a06f5..b125eeb03c 100644
--- a/docs/configuration.md
+++ b/docs/configuration.md
@@ -146,7 +146,7 @@ Apart from these, the following properties are also available, and may be useful
 </tr>
 <tr>
   <td>spark.ui.port</td>
-  <td>33000</td>
+  <td>3030</td>
   <td>
     Port for your application's dashboard, which shows memory and workload data
   </td>