diff --git a/man/jack_bufsize.0 b/man/jack_bufsize.0
index fc7b6ab..f29aa08 100644
--- a/man/jack_bufsize.0
+++ b/man/jack_bufsize.0
@@ -1,7 +1,7 @@
 .TH JACK_BUFSIZE "1" "!DATE!" "!VERSION!"
 .SH NAME
 jack_bufsize \- JACK toolkit client to change the JACK buffer size
-.SH SYNOPSYS
+.SH SYNOPSIS
 .B jack_bufsize bufsize
 .SH DESCRIPTION
 .B jack_bufsize
diff --git a/man/jack_freewheel.0 b/man/jack_freewheel.0
index bbffb48..0941ffd 100644
--- a/man/jack_freewheel.0
+++ b/man/jack_freewheel.0
@@ -1,7 +1,7 @@
 .TH JACK_FREEWHEEL "1" "!DATE!" "!VERSION!"
 .SH NAME
 jack_freewheel \- JACK toolkit client to control freewheeling mode
-.SH SYNOPSYS
+.SH SYNOPSIS
 .B jack_freewheel [y|n]
 .SH DESCRIPTION
 .B jack_freewheel
diff --git a/man/jack_impulse_grabber.0 b/man/jack_impulse_grabber.0
index 8999f13..544716b 100644
--- a/man/jack_impulse_grabber.0
+++ b/man/jack_impulse_grabber.0
@@ -1,7 +1,7 @@
 .TH JACK_IMPULSE_GRABBER "1" "!DATE!" "!VERSION!"
 .SH NAME
 jack_impulse_grabber \- JACK toolkit client to grab an impulse (response)
-.SH SYNOPSYS
+.SH SYNOPSIS
 \fBjack_impulse_grabber\fR \fB-d\fR \fIduration\fR [\fI-f\fR (C|gnuplot)]
 .SH DESCRIPTION
 \fBjack_impulse_grabber\fR is a JACK example client for collecting
diff --git a/man/jack_load.0 b/man/jack_load.0
index c893131..599116e 100644
--- a/man/jack_load.0
+++ b/man/jack_load.0
@@ -1,7 +1,7 @@
 .TH JACK_LOAD "1" "!DATE!" "!VERSION!"
 .SH NAME
 jack_load \- JACK toolkit client for loading in-process clients
-.SH SYNOPSYS
+.SH SYNOPSIS
 \fBjack_load\fR [ \fI-i\fR initstring ] [ \fI-s\fR servername ] [\fI-w\fR ] client-name so-name [ initstring ]
 .SH DESCRIPTION
 \fBjack_load\fR is a JACK toolkit client. It loads the specified plugin and creates an in-process client.
diff --git a/man/jack_monitor_client.0 b/man/jack_monitor_client.0
index 093e050..0991107 100644
--- a/man/jack_monitor_client.0
+++ b/man/jack_monitor_client.0
@@ -1,7 +1,7 @@
 .TH JACK_CONNECT "1" "!DATE!" "!VERSION!"
 .SH NAME
 jack_monitor_client \- The JACK Audio Connection Kit example client
-.SH SYNOPSYS
+.SH SYNOPSIS
 .B jack_monitor_client
 client-name
 .PP
diff --git a/man/jack_showtime.0 b/man/jack_showtime.0
index eab333a..210caa7 100644
--- a/man/jack_showtime.0
+++ b/man/jack_showtime.0
@@ -1,7 +1,7 @@
 .TH JACK_SHOWTIME "1" "!DATE!" "!VERSION!"
 .SH NAME
 jack_showtime \- The JACK Audio Connection Kit example client
-.SH SYNOPSYS
+.SH SYNOPSIS
 .B jack_showtime
 .SH DESCRIPTION
 .B jack_showtime
diff --git a/man/jack_unload.0 b/man/jack_unload.0
index 183d069..79b1e33 100644
--- a/man/jack_unload.0
+++ b/man/jack_unload.0
@@ -1,7 +1,7 @@
 .TH JACK_UNLOAD "1" "!DATE!" "!VERSION!"
 .SH NAME
 jack_unload \- The JACK Audio Connection Kit example client
-.SH SYNOPSYS
+.SH SYNOPSIS
 .B jack_unload 
 client-name
 .PP
diff --git a/man/jackrec.0 b/man/jackrec.0
index 0e8b5d4..2c123b5 100644
--- a/man/jackrec.0
+++ b/man/jackrec.0
@@ -1,7 +1,7 @@
 .TH JACKREC "1" "!DATE!" "!VERSION!"
 .SH NAME
 jackrec \- JACK toolkit client for recording audio
-.SH SYNOPSYS
+.SH SYNOPSIS
 .B jackrec
 -f filename -d seconds [ -b bitdepth ] port1 [ port2 ... ]
 .SH DESCRIPTION