Fix comment (user= is recommended, not required)

Author: mnaberez

supervisor/skel/sample.conf

@@ -34,7 +34,7 @@ nodaemon=false               ; start in foreground if true; default false
 minfds=1024                  ; min. avail startup file descriptors; default 1024
 minprocs=200                 ; min. avail process descriptors;default 200
 ;umask=022                   ; process file creation umask; default 022
-;user=chrism                 ; default is current user, required if root
+;user=supervisord            ; setuid to this UNIX account at startup; recommended if root
 ;identifier=supervisor       ; supervisord identifier, default is 'supervisor'
 ;directory=/tmp              ; default is not to cd during start
 ;nocleanup=true              ; don't clean up tempfiles at start; default false