diff --git a/README.md b/README.md
index eee564b..f3e69fa 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,11 @@ contains uppercase letter and also it is too short.
     - [Caret]()
     - [Dolar]()
 - [Shorthand Character Sets]()
-- [Lookaheads]()
+- [Lookaround]()
+  - [Positive Lookahead]()
+  - [Negative Lookahead]()
+  - [Positive Lookbehind]()
+  - [Negative Lookbehind]()
 - [Flags]()
   - [Case Insensitive]()
   - [Global search]()