diff --git a/README.md b/README.md
index b6798c1..4ed50ad 100644
--- a/README.md
+++ b/README.md
@@ -22,6 +22,7 @@ Download [PDF version](DevOps%20Roadmap.pdf).
 
 ### 1. GIT
 
+- [Pro Git Book](https://git-scm.com/book/en/v2) <sup>FREE</sup>
 - [Learn Git by Atlassian](https://www.atlassian.com/git) <sup>FREE</sup>
 - [Learn Git Branching](https://learngitbranching.js.org/) <sup>FREE</sup>
 - [Learn Git & GitHub on CodeAcademy](https://www.codecademy.com/learn/learn-git) <sup>FREE</sup>
@@ -80,7 +81,7 @@ Download [PDF version](DevOps%20Roadmap.pdf).
 - [Kubernetes Crash Course for Absolute Beginners by TechWorld with Nana](https://www.youtube.com/watch?v=s_o8dwzRlu4) <sup>FREE</sup>
 - [Primer: How Kubernetes Came to Be, What It Is, and Why You Should Care](https://thenewstack.io/primer-how-kubernetes-came-to-be-what-it-is-and-why-you-should-care/) <sup>Article</sup>
 - [Certified Kubernetes Administrator (CKA) with Practice Tests](https://www.udemy.com/course/certified-kubernetes-administrator-with-practice-tests/) <sup>Udemy course</sup>
-- [Learn Kubernetes - Beginners to Advanced by KodeKloud](https://kodekloud.com/learning-path-kubernetes/) <sup>Course</sup> 
+- [Learn Kubernetes - Beginners to Advanced by KodeKloud](https://kodekloud.com/learning-path-kubernetes/) <sup>Course</sup>
 - [Understand when to use Cluster Services, Ingresses or API Gateways](https://gateway-api.sigs.k8s.io) <sup>FREE</sup>
 - [Understand which Problems Service Mesh solve (Use an Abstraction smi-spec.io](https://linkerd.io/2.12/features/) <sup>FREE</sup>
 - [Learn how to automate TLS](https://cert-manager.io/docs/) and  [DNS](https://github.com/kubernetes-sigs/external-dns) <sup>FREE</sup>
@@ -112,7 +113,7 @@ Download [PDF version](DevOps%20Roadmap.pdf).
 - [Learn Prometheus](https://prometheus.io/docs/tutorials/getting_started/) <sup>FREE</sup>
 - [Learn Grafana](https://grafana.com/tutorials/) <sup>FREE</sup>
 - [Elastic Stack](https://www.elastic.co/guide/index.html) <sup>FREE</sup>
- 
+
 ### 11. Learn one Cloud provider
 
 - [Exam AZ-900: Microsoft Azure Fundamentals](https://learn.microsoft.com/en-us/certifications/exams/az-900) <sup>FREE</sup>
@@ -159,4 +160,4 @@ If you think the roadmap can be improved, please do open a PR with any updates a
 ## Authors
 
 - [Dr. Milan Milanović](https://milan.milanovic.org) -  CTO at [3MD](https://3mdinc.com).
-- [Romano Roth](https://romanoroth.com) - Chief of DevOps at [Zühlke](https://www.zuehlke.com/en).
\ No newline at end of file
+- [Romano Roth](https://romanoroth.com) - Chief of DevOps at [Zühlke](https://www.zuehlke.com/en).