diff --git a/README.md b/README.md
index f4aaca1b715b3f33d945a3d3ca1062c332b2bbc9..f2881d8388deb1cf2b9fc7ea28ec5fe1dd5ec76b 100644
--- a/README.md
+++ b/README.md
@@ -1,13 +1,17 @@
 # OCM Engine
 
-- [Introduction](#introduction)
-- [Requirements](#requirements)
-- [Architecture](#architecture)
-- [Setup](#setup)
-- [Local env](#local)
-- [Docker env](#docker)
-- [Usage](#usage-via-postman)
-- [Example](#send-didcomm-messages-between-two-ocms)
+- [OCM Engine](#ocm-engine)
+  - [Introduction](#introduction)
+    - [Apps list:](#apps-list)
+    - [Library list:](#library-list)
+  - [Requirements](#requirements)
+  - [Architecture](#architecture)
+  - [Setup](#setup)
+  - [Local](#local)
+  - [Docker](#docker)
+  - [Usage via Postman](#usage-via-postman)
+  - [Send Didcomm messages between two OCMs](#send-didcomm-messages-between-two-ocms)
+  - [License](#license)
 
 ## Introduction
 
@@ -155,4 +159,3 @@ Example:
 
 ## License
 This project is licensed under the AGPL License - see the [LICENSE](LICENSE) file for details.
-