Update vnc.md

docs.it4i/general/accessing-the-clusters/graphical-user-interface/vnc.md

@@ -31,8 +31,8 @@ To choose free one, you should check currently occupied display numbers - list t
 
 ```console
 [username@login2 ~]$ ps aux | grep Xvnc | sed -rn 's/(\s) .*Xvnc (\:[0-9]+) .*/\1 \2/p'
-username :61
-username :102
+username :79
+username :60
 .....
 ```