diff --git a/docs/html/index.html b/docs/html/index.html
index e8f562255..5a9621893 100644
--- a/docs/html/index.html
+++ b/docs/html/index.html
@@ -14,9 +14,9 @@ font-family: Tahoma, Verdana, Arial, sans-serif; }
 working. Further configuration is required.</p>
 
 <p>For online documentation and support please refer to
-<a href="http://nginx.org/">nginx.org</a>.<br/>
+<a href="https://nginx.org/">nginx.org</a>.<br/>
 Commercial support is available at
-<a href="http://nginx.com/">nginx.com</a>.</p>
+<a href="https://nginx.com/">nginx.com</a>.</p>
 
 <p><em>Thank you for using nginx.</em></p>
 </body>