diff --git a/README.md b/README.md
index cbbfef0..3a5a2b3 100644
--- a/README.md
+++ b/README.md
@@ -36,12 +36,13 @@ Thanks to all [contributors](https://github.com/sbilly/awesome-security/graphs/c
     - [Scanning / Pentesting](#scanning--pentesting-1)
     - [Runtime Application Self-Protection](#runtime-application-self-protection)
     - [Development](#development)
-  - [Usability](#Usability)
+  - [Usability](#usability)
   - [Big Data](#big-data)
-  - [Datastores](#datastores)
   - [DevOps](#devops)
   - [Operating Systems](#operating-systems)
     - [Online resources](#online-resources)
+  - [Datastores](#datastores)
+  - [EBooks](#ebooks)
   - [Other Awesome Lists](#other-awesome-lists)
     - [Other Security Awesome Lists](#other-security-awesome-lists)
     - [Other Common Awesome Lists](#other-common-awesome-lists)