diff --git a/How-to-whitelist-a-web-site.md b/How-to-whitelist-a-web-site.md
index 82bcd7d..8ba0833 100644
--- a/How-to-whitelist-a-web-site.md
+++ b/How-to-whitelist-a-web-site.md
@@ -1,4 +1,9 @@
  - [Detailed syntax](#detailed-syntax)
+    - [Plain hostname](#plain-hostname)
+    - [Single web page](#single-web-page)
+    - [Section of a web site](#section-of-a-web-site)
+    - [Specific pattern](#specific-pattern)
+    - [Regular expression](#regular-expression-1917)
  - [Whitelisting Youtube channel](#whitelisting-youtube-channel)
  - [Disabling filtering temporarily or by default (blacklist mode)](#disabling-filtering-temporarily-or-by-default-blacklist-mode)
  - [Other details](#other-details)