diff --git a/lib/libc/sys/intro.2 b/lib/libc/sys/intro.2
index e5bd364d53e2..6044c290cbc7 100644
--- a/lib/libc/sys/intro.2
+++ b/lib/libc/sys/intro.2
@@ -1,4 +1,4 @@
-.\"	$NetBSD: intro.2,v 1.25 2001/04/09 12:16:54 wiz Exp $
+.\"	$NetBSD: intro.2,v 1.26 2001/04/25 02:19:48 simonb Exp $
 .\"
 .\" Copyright (c) 1980, 1983, 1986, 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -453,7 +453,7 @@ or a message catalog does not contain the requested message.
 A numerical result of the function was too large to be stored in the
 caller-provided space.
 .It Er 85 EILSEQ Em "Illegal byte sequence" .
-A wide character/multibyte character encoding error occured.
+A wide character/multibyte character encoding error occurred.
 .El
 .Sh DEFINITIONS
 .Bl -tag -width Ds
diff --git a/lib/libc/sys/msync.2 b/lib/libc/sys/msync.2
index 17a0173bcb35..b4314fc5d6eb 100644
--- a/lib/libc/sys/msync.2
+++ b/lib/libc/sys/msync.2
@@ -1,4 +1,4 @@
-.\"	$NetBSD: msync.2,v 1.14 2001/04/09 12:17:35 wiz Exp $
+.\"	$NetBSD: msync.2,v 1.15 2001/04/25 02:19:48 simonb Exp $
 .\"
 .\" Copyright (c) 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -108,7 +108,7 @@ The
 .Fa len
 parameter was negative.
 .It Bq Er EIO
-An I/O error occured while writing to the file system.
+An I/O error occurred while writing to the file system.
 .It Bq Er ENOMEM
 Addresses in the specified region are outside the range allowed
 for the address space of the process, or specify one or more pages
diff --git a/lib/libc/sys/poll.2 b/lib/libc/sys/poll.2
index c8250cc4af7b..4cb5958b8405 100644
--- a/lib/libc/sys/poll.2
+++ b/lib/libc/sys/poll.2
@@ -1,4 +1,4 @@
-.\"	$NetBSD: poll.2,v 1.8 1999/12/02 21:42:38 kleink Exp $
+.\"	$NetBSD: poll.2,v 1.9 2001/04/25 02:19:48 simonb Exp $
 .\"
 .\" Copyright (c) 1998 The NetBSD Foundation, Inc.
 .\" All rights reserved.
@@ -100,7 +100,7 @@ Normal data may be written without blocking.
 .It POLLWRBAND
 Data with a non-zero priority may be written without blocking.
 .It POLLERR
-An exceptional condition has occured on the device or socket.  This
+An exceptional condition has occurred on the device or socket.  This
 flag is always checked, even if not present in the
 .Fa events
 bitmask.
@@ -135,7 +135,7 @@ will return without blocking.
 .Sh RETURN VALUES
 .Fn poll
 returns the number of descriptors that are ready for I/O, or -1 if an
-error occured.  If the time limit expires,
+error occurred.  If the time limit expires,
 .Fn poll
 returns 0.
 If
diff --git a/lib/libkvm/kvm_dump.3 b/lib/libkvm/kvm_dump.3
index 05b8e3906bb1..753e5023bb1a 100644
--- a/lib/libkvm/kvm_dump.3
+++ b/lib/libkvm/kvm_dump.3
@@ -1,4 +1,4 @@
-.\"	$NetBSD: kvm_dump.3,v 1.7 2001/04/06 14:37:27 simonb Exp $
+.\"	$NetBSD: kvm_dump.3,v 1.8 2001/04/25 02:19:49 simonb Exp $
 .\"
 .\" Copyright (c) 1996 Leo Weppelman
 .\" All rights reserved.
@@ -99,7 +99,7 @@ All functions except
 return 0 on success, -1 on failure. The function
 .Fn kvm_dump_mkheader
 returns the size of the headers present before the actual dumpdata starts. If
-no valid headers were found but no fatal errors occured, 0 is returned. On
+no valid headers were found but no fatal errors occurred, 0 is returned. On
 fatal errors the return value is -1.
 .Pp
 In the case of failure,
diff --git a/share/man/man3/dlfcn.3 b/share/man/man3/dlfcn.3
index 20090a8bc0d9..4c0a3df5e96d 100644
--- a/share/man/man3/dlfcn.3
+++ b/share/man/man3/dlfcn.3
@@ -1,4 +1,4 @@
-.\"	$NetBSD: dlfcn.3,v 1.11 2000/06/17 19:09:21 christos Exp $
+.\"	$NetBSD: dlfcn.3,v 1.12 2001/04/25 02:19:49 simonb Exp $
 .\"
 .\" Copyright (c) 1998 The NetBSD Foundation, Inc.
 .\" All rights reserved.
@@ -198,7 +198,7 @@ is
 .Fn dlerror
 return a character string representing the most recent error that has
 occurred while processing one of the other functions described here.
-If no dynamic linking errors have occured since the last invocation of
+If no dynamic linking errors have occurred since the last invocation of
 .Fn dlerror ,
 .Fn dlerror
 returns
diff --git a/share/man/man4/man4.amiga/ahsc.4 b/share/man/man4/man4.amiga/ahsc.4
index 13d8fcc72d92..3eaa0654bb1b 100644
--- a/share/man/man4/man4.amiga/ahsc.4
+++ b/share/man/man4/man4.amiga/ahsc.4
@@ -27,7 +27,7 @@
 .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.\"	$NetBSD: ahsc.4,v 1.6 1999/04/06 20:24:39 pk Exp $
+.\"	$NetBSD: ahsc.4,v 1.7 2001/04/25 02:19:49 simonb Exp $
 .\"
 .Dd August 31, 1994
 .Os
@@ -69,7 +69,7 @@ withing the SCSI chip.
 .It ahsc%d: abort %s: csr = 0x%02x, asr = 0x%02x
 A SCSI operation %s was aborted due to an error.
 .It ahsc%d: csr == 0x%02i
-A error has occured within the SCSI chip code.
+A error has occurred within the SCSI chip code.
 .It ahsc%d: unexpected phase %d in icmd from %d
 The target described by
 .Sq from %d
diff --git a/share/man/man4/man4.amiga/atzsc.4 b/share/man/man4/man4.amiga/atzsc.4
index c1dcbdb5ec0f..6a3166adc7e3 100644
--- a/share/man/man4/man4.amiga/atzsc.4
+++ b/share/man/man4/man4.amiga/atzsc.4
@@ -27,7 +27,7 @@
 .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.\"	$NetBSD: atzsc.4,v 1.7 1999/04/06 20:24:39 pk Exp $
+.\"	$NetBSD: atzsc.4,v 1.8 2001/04/25 02:19:49 simonb Exp $
 .\"
 .Dd August 31, 1994
 .Os
@@ -77,7 +77,7 @@ withing the SCSI chip.
 .It atzsc%d: abort %s: csr = 0x%02x, asr = 0x%02x
 A SCSI operation %s was aborted due to an error.
 .It atzsc%d: csr == 0x%02i
-A error has occured within the SCSI chip code.
+A error has occurred within the SCSI chip code.
 .It atzsc%d: unexpected phase %d in icmd from %d
 The target described by
 .Sq from %d
diff --git a/share/man/man4/man4.amiga/gtsc.4 b/share/man/man4/man4.amiga/gtsc.4
index 0f7cc9e8112c..1350986d39c3 100644
--- a/share/man/man4/man4.amiga/gtsc.4
+++ b/share/man/man4/man4.amiga/gtsc.4
@@ -27,7 +27,7 @@
 .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.\"	$NetBSD: gtsc.4,v 1.6 1999/04/06 20:24:40 pk Exp $
+.\"	$NetBSD: gtsc.4,v 1.7 2001/04/25 02:19:50 simonb Exp $
 .\"
 .Dd August 31, 1994
 .Os
@@ -69,7 +69,7 @@ withing the SCSI chip.
 .It gtsc%d: abort %s: csr = 0x%02x, asr = 0x%02x
 A SCSI operation %s was aborted due to an error.
 .It gtsc%d: csr == 0x%02i
-A error has occured within the SCSI chip code.
+A error has occurred within the SCSI chip code.
 .It gtsc%d: unexpected phase %d in icmd from %d
 The target described by
 .Sq from %d
diff --git a/share/man/man9/uvm.9 b/share/man/man9/uvm.9
index cd31c202bc18..7e544d76ccf5 100644
--- a/share/man/man9/uvm.9
+++ b/share/man/man9/uvm.9
@@ -1,4 +1,4 @@
-.\"	$NetBSD: uvm.9,v 1.19 2001/04/21 08:34:11 jdolecek Exp $
+.\"	$NetBSD: uvm.9,v 1.20 2001/04/25 02:19:50 simonb Exp $
 .\"
 .\" Copyright (c) 1998 Matthew R. Green
 .\" All rights reserved.
@@ -350,7 +350,7 @@ is the main entry point for faults.  It takes
 .Fa orig_map
 as the map the fault originated in, a
 .Fa vaddr
-offset into the map the fault occured,
+offset into the map the fault occurred,
 .Fa fault_type
 describing the type of fault, and
 .Fa access_type
diff --git a/share/termcap/termcap.5 b/share/termcap/termcap.5
index 27baa180ee76..59431c00c6b2 100644
--- a/share/termcap/termcap.5
+++ b/share/termcap/termcap.5
@@ -1,4 +1,4 @@
-.\"	$NetBSD: termcap.5,v 1.21 2000/12/03 20:51:59 jdc Exp $
+.\"	$NetBSD: termcap.5,v 1.22 2001/04/25 02:19:50 simonb Exp $
 .\"
 .\" Copyright (c) 1985, 1991, 1993, 1994
 .\"	The Regents of the University of California.  All rights reserved.
@@ -315,7 +315,7 @@ mode.
 .It "kL	str		Sent by delete-line key."
 .It "kl	str		Sent by left-arrow key."
 .It "kM	str		Sent by insert key while in insert mode."
-.It "Km	str		Mouse event has occured."
+.It "Km	str		Mouse event has occurred."
 .It "km	bool		Has a"
 .Dq meta
 key (shift, sets parity bit).
diff --git a/usr.bin/xlint/xlint/lint.1 b/usr.bin/xlint/xlint/lint.1
index fb048f95a852..af2246a9728b 100644
--- a/usr.bin/xlint/xlint/lint.1
+++ b/usr.bin/xlint/xlint/lint.1
@@ -1,4 +1,4 @@
-.\" $NetBSD: lint.1,v 1.14 2001/01/23 23:06:11 enami Exp $
+.\" $NetBSD: lint.1,v 1.15 2001/04/25 02:19:50 simonb Exp $
 .\"
 .\" Copyright (c) 1996 Christopher G. Demetriou.  All Rights Reserved.
 .\" Copyright (c) 1994, 1995 Jochen Pohl
@@ -450,7 +450,7 @@ Also shut off complaints about unused function arguments.
 .Xc
 Suppresses any intra-file warning except those dealing with
 unused variables or functions. This directive should be placed
-on the line immediately preceding where the lint warning occured.
+on the line immediately preceding where the lint warning occurred.
 .It Li /* LONGLONG */
 Suppress complaints about use of long long integer types.
 .It Li /* NOTREACHED */