Update ssh_mobaxterm.md

doc.zih.tu-dresden.de/docs/access/ssh_mobaxterm.md

@@ -5,7 +5,8 @@ a tabbed SSH client, network tools and more.
 
 ??? info "VPN connection"
 
-    The ZIH
+    In case you have login problems from 
+    outside the campus network, the ZIH
      [FAQ and service catalog page](https://tu-dresden.de/zih/dienste/service-katalog/ arbeitsumgebung/zugang_datennetz/vpn)
       provides information about how to set up the VPN connection
        and solutions for most common issues.