Installation.md

 The TDL tools are available as a set of Eclipse plug-ins. You need to first be able to run Eclipse. The [Eclipse Modeling Tools](https://www.eclipse.org/downloads/packages/release/2021-06/r/eclipse-modeling-tools) distribution contains most of the necessary prerequisites for the TDL tools.
 
-Once Eclipse is up and running, the easiest way to install the TOP tools is from the Eclipse Marketplace - simply search for TDL in the Eclipse Marketplace client within Eclipse, or go to the [TOP Marketplace Listing](https://marketplace.eclipse.org/content/top-tdl-open-source-project) and drag the install button into the Eclipse window.
+Once Eclipse is up and running, the easiest way to install the TOP tools is from the Eclipse Marketplace - simply search for TDL in the Eclipse Marketplace client within Eclipse, or go to the [TOP Marketplace Listing](https://marketplace.eclipse.org/content/top-tdl-open-source-project) and drag the install button into the Eclipse window. Select the desired features and proceed with the installation, which will require Eclipse to be restarted once the installation is finished.
 
-Alternatively, you can install the plug-ins manually from an update site. In this case, you need to add the [update site](https://tdl.etsi.org/eclipse/latest/) for the TDL tools:
+Alternatively, you can install the plug-ins manually from an update site. In this case, you need to add the [update site](https://top.etsi.org/ide/updatesite/stable) for the TDL tools:
 
-    https://tdl.etsi.org/eclipse/latest/
-
-After the update site is added, the list of plug-ins and features shall be shown in the installation dialog (menu item Help->Install New Software..). Select the desired features and proceed with the installation, which will require Eclipse to be restarted once the installation is finished.
+```
+https://top.etsi.org/ide/updatesite/stable
+```
 
 To add the new repository to Eclipse, follow these steps: