Update 'src/main/webapp/discontinued/index.html'

Social@ISTI -> Social-ISTI

src/main/webapp/discontinued/index.html

@@ -20,9 +20,9 @@
     <article>
         <h1>Every journey must come to an end!</h1>
         <div>
-            <p>The Social@ISTI Gateway service has been discontinued. For any inquiry please <a href="https://redmine-s2i2s.isti.cnr.it/login?back_url=https%3A%2F%2Fredmine-s2i2s.isti.cnr.it%2Fprojects%2Farea-supporto%2Fissues%2Fnew%3Fissue%255Btracker_id%255D%3D3%26issue%255Bassigned_to_id%255D%3D14">contact us</a></p>
+            <p>The Social-ISTI Gateway service has been discontinued. For any inquiry please <a href="https://redmine-s2i2s.isti.cnr.it/login?back_url=https%3A%2F%2Fredmine-s2i2s.isti.cnr.it%2Fprojects%2Farea-supporto%2Fissues%2Fnew%3Fissue%255Btracker_id%255D%3D3%26issue%255Bassigned_to_id%255D%3D14">contact us</a></p>
             
-            <p>Il servizio Social@ISTI Gateway è stato interrotto. Per informazioni non esitare a <a href="https://redmine-s2i2s.isti.cnr.it/login?back_url=https%3A%2F%2Fredmine-s2i2s.isti.cnr.it%2Fprojects%2Farea- supporto%2Fissues%2Fnew%3Fissue%255Btracker_id%255D%3D3%26issue%255Bassigned_to_id%255D%3D14">contattarci</a></p>
+            <p>Il servizio Social-ISTI Gateway è stato interrotto. Per informazioni non esitare a <a href="https://redmine-s2i2s.isti.cnr.it/login?back_url=https%3A%2F%2Fredmine-s2i2s.isti.cnr.it%2Fprojects%2Farea- supporto%2Fissues%2Fnew%3Fissue%255Btracker_id%255D%3D3%26issue%255Bassigned_to_id%255D%3D14">contattarci</a></p>
             
             <p>Team Social-ISTI</p>
         </div>