diff --git a/sys/fs/adosfs/advnops.c b/sys/fs/adosfs/advnops.c
index 77b679c35521..1d826fe22fe6 100644
--- a/sys/fs/adosfs/advnops.c
+++ b/sys/fs/adosfs/advnops.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: advnops.c,v 1.59 2022/04/04 19:33:45 andvar Exp $	*/
+/*	$NetBSD: advnops.c,v 1.60 2024/05/13 00:24:18 msaitoh Exp $	*/
 
 /*
  * Copyright (c) 1994 Christian E. Hopps
@@ -32,7 +32,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: advnops.c,v 1.59 2022/04/04 19:33:45 andvar Exp $");
+__KERNEL_RCSID(0, "$NetBSD: advnops.c,v 1.60 2024/05/13 00:24:18 msaitoh Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -273,7 +273,7 @@ adosfs_read(void *v)
 		/*
 		 * read ahead could possibly be worth something
 		 * but not much as ados makes little attempt to
-		 * make things contigous
+		 * make things contiguous
 		 */
 		error = bread(sp->a_vp, lbn, amp->bsize, 0, &bp);
 		if (error) {
diff --git a/sys/fs/msdosfs/msdosfs_fat.c b/sys/fs/msdosfs/msdosfs_fat.c
index 358178ea7afc..1d7a4ac01c23 100644
--- a/sys/fs/msdosfs/msdosfs_fat.c
+++ b/sys/fs/msdosfs/msdosfs_fat.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: msdosfs_fat.c,v 1.36 2021/10/23 16:58:17 thorpej Exp $	*/
+/*	$NetBSD: msdosfs_fat.c,v 1.37 2024/05/13 00:24:19 msaitoh Exp $	*/
 
 /*-
  * Copyright (C) 1994, 1995, 1997 Wolfgang Solfrank.
@@ -52,7 +52,7 @@
 #endif
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: msdosfs_fat.c,v 1.36 2021/10/23 16:58:17 thorpej Exp $");
+__KERNEL_RCSID(0, "$NetBSD: msdosfs_fat.c,v 1.37 2024/05/13 00:24:19 msaitoh Exp $");
 
 /*
  * kernel include files.
@@ -765,7 +765,7 @@ chainlength(struct msdosfsmount *pmp, u_long start, u_long count)
 }
 
 /*
- * Allocate contigous free clusters.
+ * Allocate contiguous free clusters.
  *
  * pmp	      - mount point.
  * start      - start of cluster chain.
diff --git a/sys/nfs/nfs_bootdhcp.c b/sys/nfs/nfs_bootdhcp.c
index 7902d26eca08..ec9e914a7f10 100644
--- a/sys/nfs/nfs_bootdhcp.c
+++ b/sys/nfs/nfs_bootdhcp.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: nfs_bootdhcp.c,v 1.57 2022/12/24 15:37:50 andvar Exp $	*/
+/*	$NetBSD: nfs_bootdhcp.c,v 1.58 2024/05/13 00:24:19 msaitoh Exp $	*/
 
 /*-
  * Copyright (c) 1995, 1997 The NetBSD Foundation, Inc.
@@ -44,7 +44,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: nfs_bootdhcp.c,v 1.57 2022/12/24 15:37:50 andvar Exp $");
+__KERNEL_RCSID(0, "$NetBSD: nfs_bootdhcp.c,v 1.58 2024/05/13 00:24:19 msaitoh Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_nfs_boot.h"
@@ -309,7 +309,7 @@ bootpset(struct mbuf *m, void *context, int waited)
 {
 	struct bootp *bootp;
 
-	/* we know it's contigous (in 1 mbuf cluster) */
+	/* we know it's contiguous (in 1 mbuf cluster) */
 	bootp = mtod(m, struct bootp*);
 
 	bootp->bp_secs = htons(waited);
diff --git a/sys/ufs/ext2fs/ext2fs_alloc.c b/sys/ufs/ext2fs/ext2fs_alloc.c
index 26841bf6850d..34eaefca202d 100644
--- a/sys/ufs/ext2fs/ext2fs_alloc.c
+++ b/sys/ufs/ext2fs/ext2fs_alloc.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: ext2fs_alloc.c,v 1.56 2023/08/26 22:08:22 christos Exp $	*/
+/*	$NetBSD: ext2fs_alloc.c,v 1.57 2024/05/13 00:24:19 msaitoh Exp $	*/
 
 /*
  * Copyright (c) 1982, 1986, 1989, 1993
@@ -60,7 +60,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ext2fs_alloc.c,v 1.56 2023/08/26 22:08:22 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ext2fs_alloc.c,v 1.57 2024/05/13 00:24:19 msaitoh Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -240,7 +240,7 @@ ext2fs_dirpref(struct m_ext2fs *fs)
  * If no blocks have been allocated in the first section, the policy is to
  * request a block in the same cylinder group as the inode that describes
  * the file. Otherwise, the policy is to try to allocate the blocks
- * contigously. The two fields of the ext2 inode extension (see
+ * contiguously. The two fields of the ext2 inode extension (see
  * ufs/ufs/inode.h) help this.
  */
 daddr_t
diff --git a/sys/ufs/ffs/ffs_alloc.c b/sys/ufs/ffs/ffs_alloc.c
index 2131e9f2af49..87712efd74aa 100644
--- a/sys/ufs/ffs/ffs_alloc.c
+++ b/sys/ufs/ffs/ffs_alloc.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: ffs_alloc.c,v 1.172 2023/01/07 19:41:30 chs Exp $	*/
+/*	$NetBSD: ffs_alloc.c,v 1.173 2024/05/13 00:24:19 msaitoh Exp $	*/
 
 /*-
  * Copyright (c) 2008, 2009 The NetBSD Foundation, Inc.
@@ -70,7 +70,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ffs_alloc.c,v 1.172 2023/01/07 19:41:30 chs Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ffs_alloc.c,v 1.173 2024/05/13 00:24:19 msaitoh Exp $");
 
 #if defined(_KERNEL_OPT)
 #include "opt_ffs.h"
@@ -763,7 +763,7 @@ ffs_dirpref(struct inode *pip)
  * If a section is already partially allocated, the policy is to
  * contiguously allocate fs_maxcontig blocks.  The end of one of these
  * contiguous blocks and the beginning of the next is laid out
- * contigously if possible.
+ * contiguously if possible.
  *
  * => um_lock held on entry and exit
  */
diff --git a/sys/ufs/ffs/ffs_wapbl.c b/sys/ufs/ffs/ffs_wapbl.c
index 250a43b29d86..cc436016a453 100644
--- a/sys/ufs/ffs/ffs_wapbl.c
+++ b/sys/ufs/ffs/ffs_wapbl.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: ffs_wapbl.c,v 1.48 2022/05/22 11:27:36 andvar Exp $	*/
+/*	$NetBSD: ffs_wapbl.c,v 1.49 2024/05/13 00:24:19 msaitoh Exp $	*/
 
 /*-
  * Copyright (c) 2003,2006,2008 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ffs_wapbl.c,v 1.48 2022/05/22 11:27:36 andvar Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ffs_wapbl.c,v 1.49 2024/05/13 00:24:19 msaitoh Exp $");
 
 #define WAPBL_INTERNAL
 
@@ -753,7 +753,7 @@ wapbl_allocate_log_file(struct mount *mp, struct vnode *vp,
  * at least "logfile" MB in size (plus room for any indirect blocks).
  * We start at the middle of the filesystem and check each cylinder
  * group working outwards.  If "logfile" MB is not available as a
- * single contigous chunk, then return the address and size of the
+ * single contiguous chunk, then return the address and size of the
  * largest chunk found.
  *
  * XXX