Correcting a minor spelling mistake in config skeleton

supervisor/skel/sample.conf

@@ -56,7 +56,7 @@ serverurl=unix:///tmp/supervisor.sock ; use a unix:// URL  for a unix socket
 ;umask=022                     ; umask for process (default None)
 ;priority=999                  ; the relative start priority (default 999)
 ;autostart=true                ; start at supervisord start (default: true)
-;autorestart=true              ; retstart at unexpected quit (default: true)
+;autorestart=true              ; restart at unexpected quit (default: true)
 ;startsecs=10                  ; number of secs prog must stay running (def. 1)
 ;startretries=3                ; max # of serial start failures (default 3)
 ;exitcodes=0,2                 ; 'expected' exit codes for process (default 0,2)