--- a/x.rst	Sun Nov 02 16:48:07 2014 +0200
+++ b/x.rst	Sun Nov 02 17:09:11 2014 +0200
@@ -417,9 +417,17 @@
 
 Running a secondary X server.
 =============================
+
 ::
 
-  $ startx xterm -- :1 -depth 16
+  $ startx xterm -- :$N -depth 16
+
+New server will be accessible at ``Alt+Ctrl+F$((N+6))``::
+
+  :0  Alt+Ctrl+F7
+  :1  Alt+Ctrl+F8
+  ...
+  :5  Alt+Ctrl+F12
 
 In order to fix::