Make title clearer

README.md

@@ -4,7 +4,7 @@ SPDX-FileCopyrightText: 2020 German Aerospace Center (DLR)
 SPDX-License-Identifier: CC-BY-4.0
 -->
 
-# Introduction to Git and GitLab
+# Version Control using Git 
 
 This workshop provides an introduction into Git in combination with the collaboration platform GitLab.
 The workshop curriculum is heavily based on: