Update more references to the old vncserver script

README.rst

@@ -77,13 +77,12 @@ The Unix/Linux version of TigerVNC contains the following programs:
 
 * Xvnc - the TigerVNC Server for Unix.  Xvnc is both a VNC server and an X
          server with a "virtual" framebuffer.  You should normally use the
-         vncserver script to start Xvnc.
+         vncserver service to start Xvnc.
 
 * vncpasswd - a program which allows you to change the VNC password used to
               access your VNC server sessions (assuming that VNC authentication
-              is being used.)  The vncserver script will automatically launch
-              this program if it detects that VNC authentication is in use and
-              a VNC password has not yet been configured.
+              is being used.) This command must be run to set a password before
+              using VNC authentication with any of the servers or services.
 
 * vncconfig - a program which is used to configure and control a running
               instance of Xvnc.