diff --git a/bin/ksh/ksh.Man b/bin/ksh/ksh.Man
index 693a8a947d3ce..8ef5110e9a169 100644
--- a/bin/ksh/ksh.Man
+++ b/bin/ksh/ksh.Man
@@ -1,5 +1,5 @@
 '\" t
-.\" $NetBSD: ksh.Man,v 1.27 2021/10/30 21:08:58 andvar Exp $
+.\" $NetBSD: ksh.Man,v 1.28 2022/08/07 11:06:18 andvar Exp $
 .\"{{{}}}
 .\"{{{  Notes about man page
 .\"     - use the pseudo-macros .sh( and .sh) to begin and end sh-specific
@@ -3004,7 +3004,7 @@ If the entire remaining command
 or file name is unique a space is printed after its completion, unless
 it is a directory name in which case \fB/\fP is appended.
 If there is no command or file name with the current partial word as its
-prefix, a bell character is output (usually causing a audio beep).
+prefix, a bell character is output (usually causing an audio beep).
 .\"}}}
 .\"{{{  complete-command ^X^[
 .IP "\fBcomplete-command ^X^[\fP"
diff --git a/games/fortune/strfile/strfile.c b/games/fortune/strfile/strfile.c
index ae4038efc6412..110ede41211c7 100644
--- a/games/fortune/strfile/strfile.c
+++ b/games/fortune/strfile/strfile.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: strfile.c,v 1.43 2021/05/02 12:50:44 rillig Exp $	*/
+/*	$NetBSD: strfile.c,v 1.44 2022/08/07 11:06:18 andvar Exp $	*/
 
 /*-
  * Copyright (c) 1989, 1993
@@ -47,7 +47,7 @@ __COPYRIGHT("@(#) Copyright (c) 1989, 1993\
 #if 0
 static char sccsid[] = "@(#)strfile.c	8.1 (Berkeley) 5/31/93";
 #else
-__RCSID("$NetBSD: strfile.c,v 1.43 2021/05/02 12:50:44 rillig Exp $");
+__RCSID("$NetBSD: strfile.c,v 1.44 2022/08/07 11:06:18 andvar Exp $");
 #endif
 #endif /* not lint */
 #endif /* __NetBSD__ */
@@ -457,7 +457,7 @@ randomize(void)
 
 /*
  * fwrite_be_offt:
- *	Write out the off paramater as a 64 bit big endian number
+ *	Write out the off parameter as a 64 bit big endian number
  */
 
 static void
diff --git a/sbin/newfs_udf/udf_core.h b/sbin/newfs_udf/udf_core.h
index b203903340db6..339486c47ee76 100644
--- a/sbin/newfs_udf/udf_core.h
+++ b/sbin/newfs_udf/udf_core.h
@@ -1,4 +1,4 @@
-/* $NetBSD: udf_core.h,v 1.2 2022/04/09 09:58:11 riastradh Exp $ */
+/* $NetBSD: udf_core.h,v 1.3 2022/08/07 11:06:18 andvar Exp $ */
 
 /*
  * Copyright (c) 2006, 2008, 2021, 2022 Reinoud Zandijk
@@ -164,7 +164,7 @@ struct udf_create_context {
 	int	 serialnum;		/* format serialno */
 
 	int	 gmtoff;		/* in minutes	             */
-	int	 meta_perc;		/* format paramter           */
+	int	 meta_perc;		/* format parameter          */
 	int	 check_surface;		/* for spareables            */
 	int	 create_new_session;	/* for non empty recordables */
 
@@ -192,7 +192,7 @@ struct udf_create_context {
 	struct pri_vol_desc	*primary_vol;		/* identification    */
 	struct logvol_desc	*logical_vol;		/* main mapping v->p */
 	struct unalloc_sp_desc	*unallocated;		/* free UDF space    */
-	struct impvol_desc	*implementation;	/* likely reduntant  */
+	struct impvol_desc	*implementation;	/* likely redundant  */
 	struct logvol_int_desc	*logvol_integrity;	/* current integrity */
 	struct part_desc	*partitions[UDF_PARTITIONS]; /* partitions   */
 
diff --git a/sbin/pppoectl/pppoectl.c b/sbin/pppoectl/pppoectl.c
index f240685854692..f8eed9ebb9d5b 100644
--- a/sbin/pppoectl/pppoectl.c
+++ b/sbin/pppoectl/pppoectl.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: pppoectl.c,v 1.30 2021/05/14 09:08:59 yamaguchi Exp $	*/
+/*	$NetBSD: pppoectl.c,v 1.31 2022/08/07 11:06:18 andvar Exp $	*/
 
 /*
  * Copyright (c) 1997 Joerg Wunsch
@@ -31,7 +31,7 @@
 #include <sys/cdefs.h>
 
 #ifndef lint
-__RCSID("$NetBSD: pppoectl.c,v 1.30 2021/05/14 09:08:59 yamaguchi Exp $");
+__RCSID("$NetBSD: pppoectl.c,v 1.31 2022/08/07 11:06:18 andvar Exp $");
 #endif
 
 
@@ -521,7 +521,7 @@ usage(void)
             "                      [callin] [always] [{no}rechallenge]\n"
             "                      [query-dns=3] [{no}ipcp] [{no}ipv6cp]\n"
 	    "           to set authentication names, passwords\n"
-	    "           and (optional) paramaters\n"
+	    "           and (optional) parameters\n"
 	    "       %s [-v] ifname lcp-timeout=ms|idle-timeout=s|\n"
 	    "                      max-noreceive=s|max-alive-missed=cnt|\n"
 	    "                      max-auth-failure=count|clear-auth-failure\n"
diff --git a/sys/arch/bebox/stand/boot/fd.c b/sys/arch/bebox/stand/boot/fd.c
index 7c20c47f14576..342f66d987363 100644
--- a/sys/arch/bebox/stand/boot/fd.c
+++ b/sys/arch/bebox/stand/boot/fd.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: fd.c,v 1.11 2014/12/12 15:57:30 phx Exp $	*/
+/*	$NetBSD: fd.c,v 1.12 2022/08/07 11:06:18 andvar Exp $	*/
 
 /*-
  * Copyright (C) 1997-1998 Kazuki Sakamoto (sakamoto@NetBSD.org)
@@ -93,7 +93,7 @@ int FDC_PORT[] = {				/* fdc base I/O port */
  *---------------------------------------------------------------------------*/
 struct	fdd_type {
 	int	seccount;	/* sector per track */
-	int	secsize;	/* byte per sector (uPD765 paramater) */
+	int	secsize;	/* byte per sector (uPD765 parameter) */
 	int	datalen;	/* data length */
 	int	gap;		/* gap */
 	int	gaplen;		/* gap length */
diff --git a/sys/dev/nand/nand.h b/sys/dev/nand/nand.h
index 0116555bf69fa..9a6b00b79fe3d 100644
--- a/sys/dev/nand/nand.h
+++ b/sys/dev/nand/nand.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: nand.h,v 1.20 2020/07/06 10:22:07 rin Exp $	*/
+/*	$NetBSD: nand.h,v 1.21 2022/08/07 11:06:19 andvar Exp $	*/
 
 /*-
  * Copyright (c) 2010 Department of Software Engineering,
@@ -101,7 +101,7 @@ struct nand_ecc {
 	size_t necc_offset;		/* offset of ecc data in oob */
 	size_t necc_size;		/* size of ecc data in oob */
 	size_t necc_block_size;		/* block size used in ecc calc */
-	size_t necc_code_size;		/* reduntant bytes per block */
+	size_t necc_code_size;		/* redundant bytes per block */
 	int necc_steps;			/* pagesize / code size */
 	int necc_type;			/* type of the ecc engine */
 };
diff --git a/sys/fs/udf/udf.h b/sys/fs/udf/udf.h
index 93806158a090a..5b9773dd9e172 100644
--- a/sys/fs/udf/udf.h
+++ b/sys/fs/udf/udf.h
@@ -1,4 +1,4 @@
-/* $NetBSD: udf.h,v 1.53 2022/04/16 18:15:22 andvar Exp $ */
+/* $NetBSD: udf.h,v 1.54 2022/08/07 11:06:19 andvar Exp $ */
 
 /*
  * Copyright (c) 2006, 2008 Reinoud Zandijk
@@ -276,7 +276,7 @@ struct udf_mount {
 	struct pri_vol_desc	*primary_vol;		/* identification    */
 	struct logvol_desc	*logical_vol;		/* main mapping v->p */
 	struct unalloc_sp_desc	*unallocated;		/* free UDF space    */
-	struct impvol_desc	*implementation;	/* likely reduntant  */
+	struct impvol_desc	*implementation;	/* likely redundant  */
 	struct logvol_int_desc	*logvol_integrity;	/* current integrity */
 	struct part_desc	*partitions[UDF_PARTITIONS]; /* partitions   */
 	/* logvol_info is derived; points *into* other structures */
diff --git a/sys/sys/wait.h b/sys/sys/wait.h
index dd7a323e6b344..8647bc1c7dd15 100644
--- a/sys/sys/wait.h
+++ b/sys/sys/wait.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: wait.h,v 1.37 2021/12/08 20:50:03 andvar Exp $	*/
+/*	$NetBSD: wait.h,v 1.38 2022/08/07 11:06:19 andvar Exp $	*/
 
 /*
  * Copyright (c) 1982, 1986, 1989, 1993, 1994
@@ -101,7 +101,7 @@
  *	(changing their status to have been already waited for).
  */
 #define	WNOHANG		0x00000001	/* don't hang in wait */
-#define	WSTOPPED	0x00000002	/* include stopped/untraceed children */
+#define	WSTOPPED	0x00000002	/* include stopped/untraced children */
 #define	WUNTRACED	WSTOPPED	/* the original name for WSTOPPED */
 #define	WCONTINUED	0x00000010	/* include continued processes */
 #define	WEXITED		0x00000020	/* Wait for exited processes. */
diff --git a/usr.bin/audio/ctl/audioctl.1 b/usr.bin/audio/ctl/audioctl.1
index e6aa032f368e1..0f1d5512ad9ce 100644
--- a/usr.bin/audio/ctl/audioctl.1
+++ b/usr.bin/audio/ctl/audioctl.1
@@ -1,4 +1,4 @@
-.\" $NetBSD: audioctl.1,v 1.24 2021/03/21 10:50:08 nia Exp $
+.\" $NetBSD: audioctl.1,v 1.25 2022/08/07 11:06:19 andvar Exp $
 .\"
 .\" Copyright (c) 1997, 1999 The NetBSD Foundation, Inc.
 .\" All rights reserved.
@@ -49,8 +49,8 @@
 .Sh DESCRIPTION
 The
 .Nm
-command displays or sets the paramaters that determine the playback and
-recording format for software using a audio device.
+command displays or sets the parameters that determine the playback and
+recording format for software using an audio device.
 It is most useful when the full
 .Xr audio 4
 API is not available, e.g. when playing or recording raw audio data from a