--- a/mssh.1
+++ b/mssh.1
@@ -3,7 +3,7 @@
 mssh \- tool to administrate multiple servers at once
 .SH SYNOPSIS
 .B mssh
-[\fIOPTION\fR]... (-a \fIALIAS\fR | \fIHOSTS\fR[\fI:PORT\fR])
+[\fIOPTION\fR]... (\-a \fIALIAS\fR | \fIHOSTS\fR[\fI:PORT\fR])
 .SH DESCRIPTION
 .B MultiSSH
 is a GTK+ based ssh client to issue the same commands to multiple servers.