diff --git a/_Sidebar.md b/_Sidebar.md
index d5e2602..9efd1db 100644
--- a/_Sidebar.md
+++ b/_Sidebar.md
@@ -15,9 +15,9 @@
 * [[License]]
 * [[Security]]
 
-**[20.1 Installation & Update](https://github.com/EGroupware/egroupware/wiki/20.1--Installation-using-egroupware-docker-RPM-DEB-package)**
-* [General information](https://github.com/EGroupware/egroupware/wiki/20.1--Installation-using-egroupware-docker-RPM-DEB-package)
-* [Release notes and distribution specific instructions](https://github.com/EGroupware/egroupware/wiki/20.1-Release-notes-and-distribution-specific-instructions)
+**[20.1 Installation & Update](https://github.com/EGroupware/egroupware/wiki/Installation-using-egroupware-docker-RPM-DEB-package)**
+* [General information](https://github.com/EGroupware/egroupware/wiki/Installation-using-egroupware-docker-RPM-DEB-package)
+* [Distribution specific instructions](https://github.com/EGroupware/egroupware/wiki/Distribution-specific-instructions)
 * [[Update recommendations and troubleshooting]]
 * [[Tuning EGroupware for higher number of users]]
 * [[Docker-compose installation]]: Linux, Windows, Mac, Synology, QNAP