Update Installation

Installation.md

@@ -13,8 +13,8 @@ To add the new repository to Eclipse, follow these steps:
 1. Open the menu item *Help* and select the item *Install new software*
 1. Click *Add...* button to add a new repository
 1. Insert the required information:
-   * Name: TOP Plugins
-   * Location: https://tdl.etsi.org/eclipse/latest/
+   * Name: TOP Stable
+   * Location: https://top.etsi.org/ide/updatesite/stable
 1. Click Ok. In the window, a new set of plugins called TDL should appear
 1. Click on the checkbox to select all the plugins, then click *Next*.
 1. Now follow the instructions to complete the installation