diff --git a/man/jack-keyboard-ref.sgml b/man/jack-keyboard-ref.sgml
index 6c256d4..b04f619 100644
--- a/man/jack-keyboard-ref.sgml
+++ b/man/jack-keyboard-ref.sgml
@@ -76,7 +76,7 @@
 				<listitem>
 					<para>
 						Toggle titlebar, on which channel/bank/program information is shown.
-						With -G option, it disables titlebar; otherwise it enables it.
+						With \-G option, it disables titlebar; otherwise it enables it.
 					</para>
 				</listitem>
 			</varlistentry>
@@ -287,7 +287,7 @@
 		</para>
 		<para>
 			<command>jack-keyboard</command> will never connect to it's own MIDI input port.  It will also refuse
-			to connect to any other client whose name begins with "jack-keyboard", unless the "-k" option is given.
+			to connect to any other client whose name begins with "jack-keyboard", unless the "\-k" option is given.
 			It is, however, possible to connect these ports manually, using <command>jack_connect</command>
 			or <command>qjackctl</command>; this may create feedback loop.
 		</para>
diff --git a/man/jack-keyboard.1 b/man/jack-keyboard.1
index 95125f8..f4a56a1 100644
--- a/man/jack-keyboard.1
+++ b/man/jack-keyboard.1
@@ -33,7 +33,7 @@ some keyboard events may get lost.
 .TP
 \fB-T\fR
 Toggle titlebar, on which channel/bank/program information is shown.
-With -G option, it disables titlebar; otherwise it enables it.
+With \-G option, it disables titlebar; otherwise it enables it.
 .TP
 \fB-V\fR
 Print version number to standard output and exit.
@@ -165,7 +165,7 @@ MIDI events will cause visible effect (pressing and releasing) on keys, just lik
 using keyboard or mouse.
 .PP
 \fBjack-keyboard\fR will never connect to it's own MIDI input port.  It will also refuse
-to connect to any other client whose name begins in "jack-keyboard", unless the "-k" option is given.
+to connect to any other client whose name begins in "jack-keyboard", unless the "\-k" option is given.
 It is, however, possible to connect these ports manually, using \fBjack_connect\fR
 or \fBqjackctl\fR; this may create feedback loop.
 .SH "SEE ALSO"