diff --git a/sys/arch/acorn26/include/vmparam.h b/sys/arch/acorn26/include/vmparam.h
index a3999170c5b6..29c2b4888697 100644
--- a/sys/arch/acorn26/include/vmparam.h
+++ b/sys/arch/acorn26/include/vmparam.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: vmparam.h,v 1.3 2003/03/31 21:30:56 thorpej Exp $	*/
+/*	$NetBSD: vmparam.h,v 1.4 2003/05/14 12:45:06 wiz Exp $	*/
 
 /*
  * Copyright (c) 1988 The Regents of the University of California.
@@ -38,7 +38,7 @@
 
 /*
  * Page size on the 26-bit ARM CPUs is not variable in the traditional
- * sense.  We override the PAGE_* definitions to compile-time costants.
+ * sense.  We override the PAGE_* definitions to compile-time constants.
  */
 #define	PAGE_SHIFT	15
 #define	PAGE_SIZE	(1 << PAGE_SHIFT)
diff --git a/sys/netinet6/in6.c b/sys/netinet6/in6.c
index d35307749e45..b31227f11880 100644
--- a/sys/netinet6/in6.c
+++ b/sys/netinet6/in6.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: in6.c,v 1.74 2003/02/27 22:06:38 thorpej Exp $	*/
+/*	$NetBSD: in6.c,v 1.75 2003/05/14 12:45:07 wiz Exp $	*/
 /*	$KAME: in6.c,v 1.198 2001/07/18 09:12:38 itojun Exp $	*/
 
 /*
@@ -66,7 +66,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: in6.c,v 1.74 2003/02/27 22:06:38 thorpej Exp $");
+__KERNEL_RCSID(0, "$NetBSD: in6.c,v 1.75 2003/05/14 12:45:07 wiz Exp $");
 
 #include "opt_inet.h"
 
@@ -107,7 +107,7 @@ MALLOC_DEFINE(M_IP6OPT, "ip6_options", "IPv6 options");
 #define COMPAT_IN6IFIOCTL
 
 /*
- * Definitions of some costant IP6 addresses.
+ * Definitions of some constant IP6 addresses.
  */
 const struct in6_addr in6addr_any = IN6ADDR_ANY_INIT;
 const struct in6_addr in6addr_loopback = IN6ADDR_LOOPBACK_INIT;
diff --git a/usr.bin/xlint/lint1/tree.c b/usr.bin/xlint/lint1/tree.c
index 782fcfdda787..8332b731e19a 100644
--- a/usr.bin/xlint/lint1/tree.c
+++ b/usr.bin/xlint/lint1/tree.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: tree.c,v 1.34 2002/10/22 22:50:11 christos Exp $	*/
+/*	$NetBSD: tree.c,v 1.35 2003/05/14 12:45:07 wiz Exp $	*/
 
 /*
  * Copyright (c) 1994, 1995 Jochen Pohl
@@ -33,7 +33,7 @@
 
 #include <sys/cdefs.h>
 #if defined(__RCSID) && !defined(lint)
-__RCSID("$NetBSD: tree.c,v 1.34 2002/10/22 22:50:11 christos Exp $");
+__RCSID("$NetBSD: tree.c,v 1.35 2003/05/14 12:45:07 wiz Exp $");
 #endif
 
 #include <stdlib.h>
@@ -3786,7 +3786,7 @@ chkcomp(op_t op, tnode_t *ln, tnode_t *rn)
  * Takes an expression an returns 0 if this expression can be used
  * for static initialisation, otherwise -1.
  *
- * Constant initialisation expressions must be costant or an address
+ * Constant initialisation expressions must be constant or an address
  * of a static object with an optional offset. In the first case,
  * the result is returned in *offsp. In the second case, the static
  * object is returned in *symp and the offset in *offsp.