fix minus signs in man page

multiwatch.1

@@ -3,7 +3,7 @@
 multiwatch \- forks and watches multiple instances of a program in the same environment
 .SH SYNOPSIS
 .B multiwatch
-[options] -- <application> [app arguments]
+[options] \-\- <application> [app arguments]
 
 .B multiwatch
 \-v
@@ -17,23 +17,23 @@ multiwatch \- forks and watches multiple instances of a program in the same envi
 .B \-f, \-\-forks=children
 Number of children to fork and watch (default 1)
 .TP 8
-.B \-r, --retry=retries
+.B \-r, \-\-retry=retries
 Number of retries to fork a single child (default 3)
 .TP 8
-.B \-t, --timeout=msecs
+.B \-t, \-\-timeout=msecs
 Retry timeout in ms; if the child dies after the timeout the retry counter is reset (default 10000 ms = 10 s)
 .TP 8
-.B \-s, --signal=signame
+.B \-s, \-\-signal=signame
 Signal to send to children to signal 'graceful' termination (HUP,INT,QUIT,TERM,USR1,USR2, default is USR1)
 .TP 8
-.B \-?, --help
+.B \-?, \-\-help
 General usage instructions
 .TP 8
-.B \-v, --version
+.B \-v, \-\-version
 Show version and exit
 .SH SIGNAL HANDLING
 multiwatch will forward the signal USR2; if it receives HUP,INT,QUIT,TERM or USR1, it will send the
-signal from --signal to the children; if it receives another signal from that group, it will forward the
+signal from \-\-signal to the children; if it receives another signal from that group, it will forward the
 signal again.
 
 A signal of the group HUP,INT,QUIT,TERM and USR1 tells multiwatch to go into "shutdown" mode, so it won't
@@ -42,9 +42,9 @@ restart children after receiving it.
 .TP 8
 Spawn 2 rails instances on the same FastCGI socket (and supervise them):
 .RS 8
-.B spawn-fcgi -s /tmp/fastcgi-rails.sock -n -- /usr/bin/multiwatch -f 2 /home/rails/public/dispatch.fcgi
+.B spawn\-fcgi \-s /tmp/fastcgi\-rails.sock \-n \-\- /usr/bin/multiwatch \-f 2 /home/rails/public/dispatch.fcgi
 .RE
 .SH SEE ALSO
-spawn-fcgi(1)
+spawn\-fcgi(1)
 .SH AUTHOR
 Stefan Buehler <stbuehler@web.de>.