diff --git a/reference/html/appendix.html b/reference/html/appendix.html
index 0befb0b6..2ba9660d 100644
--- a/reference/html/appendix.html
+++ b/reference/html/appendix.html
@@ -305,7 +305,7 @@ Also, you can define your own properties.
 </tr>
 <tr>
 <td class="tableblock halign-left valign-top"><p class="tableblock">spring.cloud.loadbalancer.health-check.initial-delay</p></td>
-<td class="tableblock halign-left valign-top"><p class="tableblock">0</p></td>
+<td class="tableblock halign-left valign-top"><p class="tableblock">null</p></td>
 <td class="tableblock halign-left valign-top"><p class="tableblock">Initial delay value for the HealthCheck scheduler.</p></td>
 </tr>
 <tr>