diff --git a/README.md b/README.md
index ccc7779..fe469a4 100644
--- a/README.md
+++ b/README.md
@@ -7,6 +7,8 @@
 
 1. [About](#about)
 2. [Usage](#usage)
+    - [Add profiling blocks](#add-profiling-blocks)
+    - [Collect blocks](#collect-blocks)
 3. [Build](#build)
     - [Linux](#linux)
     - [Windows](#windows)