Expand the opening paragraph of the manual

catgirl.1

@@ -43,18 +43,24 @@
 .Sh DESCRIPTION
 The
 .Nm
-program is a TLS-only
-curses IRC client.
-.
-.Pp
+IRC client
+provides a curses interface
+for TLS-only
+Internet Relay Chat.
+The only required option is
+.Fl h ,
+the host name to connect to.
 See
 .Sx EXAMPLES
-to get started.
+for managing further configuration.
 Type
 .Ic /help
-inside
+in
 .Nm
-to view this manual again.
+to view the list of
+.Sx COMMANDS
+and
+.Sx KEY BINDINGS .
 .
 .Pp
 Options can be loaded from files