diff --git a/README.md b/README.md
index 7cadc5d..dc32dde 100644
--- a/README.md
+++ b/README.md
@@ -11,11 +11,11 @@
 
 - [Introduction](#introduction)
 - [Features](#features)
-- [Top level project structure](#top level project structure)
-- [How it Works](#how it works)
+- [Top level project structure](#top-level-project-structure)
+- [How it Works](#how-it-works)
 - [Setup](#setup)
   - [Development](#development)
-- [How to use](#how to use)
+- [How to use](#how-to-use)
 <!-- END doctoc generated TOC please keep comment here to allow auto update -->
 
 ## Introduction