Make TOC and page heading match

Resolve #454 (closed)

doc.zih.tu-dresden.de/mkdocs.yml

@@ -25,7 +25,7 @@ nav:
     - Security Restrictions: access/security_restrictions.md
   - Data Transfer:
     - Overview: data_transfer/overview.md
-    - Datamover: data_transfer/datamover.md
+    - Datamover - Data Transfer Inside ZIH Systems: data_transfer/datamover.md
     - Export Nodes: data_transfer/export_nodes.md
   - Data Life Cycle Management:
     - Overview: data_lifecycle/overview.md