Correct typos, mostly s/ a / an / where appropriate. Some whitespace cleanup,

especially in troff files.

30 files changed, 55 insertions, 49 deletions

diff --git a/usr.sbin/IPXrouted/sap_tables.c b/usr.sbin/IPXrouted/sap_tables.c
index f2d83e0..df2fc4b 100644
--- a/usr.sbin/IPXrouted/sap_tables.c
+++ b/usr.sbin/IPXrouted/sap_tables.c
@@ -145,7 +145,7 @@ next:;
 }
 
 /*
- * Add a entry to the SAP table.
+ * Add an entry to the SAP table.
  *
  * If the malloc fail, the entry will silently be thrown away.
  */
diff --git a/usr.sbin/bluetooth/hccontrol/status.c b/usr.sbin/bluetooth/hccontrol/status.c
index c857349..0494aa7 100644
--- a/usr.sbin/bluetooth/hccontrol/status.c
+++ b/usr.sbin/bluetooth/hccontrol/status.c
@@ -231,7 +231,7 @@ struct hci_command	status_commands[] = {
 "read_rssi <connection_handle>",
 "\nThis command will read the value for the difference between the\n" \
 "measured Received Signal Strength Indication (RSSI) and the limits of\n" \
-"the Golden Receive Power Range for a ACL connection handle to another\n" \
+"the Golden Receive Power Range for an ACL connection handle to another\n" \
 "Bluetooth device. Any positive RSSI value returned by the Host Controller\n" \
 "indicates how many dB the RSSI is above the upper limit, any negative\n" \
 "value indicates how many dB the RSSI is below the lower limit. The value\n" \
diff --git a/usr.sbin/ctm/mkCTM/mkCTM b/usr.sbin/ctm/mkCTM/mkCTM
index a728a78..02b1544 100644
--- a/usr.sbin/ctm/mkCTM/mkCTM
+++ b/usr.sbin/ctm/mkCTM/mkCTM
@@ -1,4 +1,6 @@
 #!/usr/local/bin/tclsh7.4
+#
+# $FreeBSD$
 
 #############################################################################
 ### Do we already have this delta ?
@@ -168,7 +170,7 @@ while 1 {
     # If we did an absolute delta: stop.
     if {$CTMsuff != ""} break
 
-    # Make a absolute delta (!) every 100 deltas
+    # Make an absolute delta (!) every 100 deltas
     if {$CTMnbr == 0 || ($CTMnbr % 100)} break
 
     # Make an absolute delta too...
diff --git a/usr.sbin/faithd/README b/usr.sbin/faithd/README
index 606a590..af0bfed 100644
--- a/usr.sbin/faithd/README
+++ b/usr.sbin/faithd/README
@@ -7,7 +7,7 @@ $FreeBSD$
 Introduction
 ============
 
-FAITH is a IPv6-to-IPv4 TCP relay.  It performs tcp relay just as some of
+FAITH is an IPv6-to-IPv4 TCP relay.  It performs tcp relay just as some of
 firewall-oriented gateway does, but between IPv6 and IPv4 with address
 translation.
 TCP connections has to be made from IPv6 node to IPv4 node.  FAITH will
@@ -29,7 +29,7 @@ invoked per each TCP services (TCP port number).
 You will have to allocate an IPv6 address prefix to map IPv4 addresses into.
 The following description uses 3ffe:0501:ffff:0000:: as example.
 Please use a prefix which belongs to your site.
-FAITH will make it possible to make a IPv6 TCP connection From IPv6 node
+FAITH will make it possible to make an IPv6 TCP connection From IPv6 node
 "src", toward IPv4 node "dest", by specifying FAITH-mapped address
 3ffe:0501:ffff:0000::123.4.5.6
 (which is, 3ffe:0501:ffff:0000:0000:0000:7b04:0506).
diff --git a/usr.sbin/i4b/dtmfdecode/dtmfdecode.c b/usr.sbin/i4b/dtmfdecode/dtmfdecode.c
index 1ef49a9..16c68e6 100644
--- a/usr.sbin/i4b/dtmfdecode/dtmfdecode.c
+++ b/usr.sbin/i4b/dtmfdecode/dtmfdecode.c
@@ -23,7 +23,7 @@
 #define FSC	(1<<12)
 
 /* Alaw parameters */
-#define SIGN_BIT        (0x80)          /* Sign bit for a A-law byte. */
+#define SIGN_BIT        (0x80)          /* Sign bit for an A-law byte. */
 #define QUANT_MASK      (0xf)           /* Quantization field mask. */
 #define SEG_SHIFT       (4)             /* Left shift for segment number. */
 #define SEG_MASK        (0x70)          /* Segment field mask. */
diff --git a/usr.sbin/i4b/isdnd/isdnd.rc.5 b/usr.sbin/i4b/isdnd/isdnd.rc.5
index c848bf7..be31920 100644
--- a/usr.sbin/i4b/isdnd/isdnd.rc.5
+++ b/usr.sbin/i4b/isdnd/isdnd.rc.5
@@ -907,7 +907,7 @@ This specifies a Raw B CHannel access interface.
 .It Ar tel
 ISDN telephony.
 .It Ar ing
-configures a ISDN B-channel to NetGraph interface.
+configures an ISDN B-channel to NetGraph interface.
 .El
 .It Li usrdeviceunit
 Specifies the unit number for the device which is specified with
diff --git a/usr.sbin/i4b/isdnmonitor/monitor.h b/usr.sbin/i4b/isdnmonitor/monitor.h
index f5d532f..4862c48 100644
--- a/usr.sbin/i4b/isdnmonitor/monitor.h
+++ b/usr.sbin/i4b/isdnmonitor/monitor.h
@@ -147,7 +147,7 @@
 #define	I4B_MON_DUMPRIGHTS_SIZE		I4B_MON_CMD_HDR		/* no parameters */
 
 /*
- * in response to a I4B_MON_DUMPRIGHTS_CODE command, the daemon sends
+ * In response to an I4B_MON_DUMPRIGHTS_CODE command, the daemon sends
  * this event:
  */
 #define	I4B_MON_DRINI_CODE		2	/* event code */
@@ -167,7 +167,7 @@
 #define	I4B_MON_DUMPMCONS_SIZE		I4B_MON_CMD_HDR		/* no parameters */
 
 /*
- * in response to a I4B_MON_DUMPMCONS_CODE command, the daemon sends
+ * In response to an I4B_MON_DUMPMCONS_CODE command, the daemon sends
  * this event:
  */
 #define	I4B_MON_DCINI_CODE		4	/* event code */
diff --git a/usr.sbin/moused/moused.c b/usr.sbin/moused/moused.c
index 06ad9b0..5dec9c1 100644
--- a/usr.sbin/moused/moused.c
+++ b/usr.sbin/moused/moused.c
@@ -952,8 +952,8 @@ moused(void)
 	            ioctl(rodent.cfd, CONS_MOUSECTL, &mouse);
 	    }
 
-            /*
-	     * If the Z axis movement is mapped to a imaginary physical 
+	    /*
+	     * If the Z axis movement is mapped to an imaginary physical
 	     * button, we need to cook up a corresponding button `up' event
 	     * after sending a button `down' event.
 	     */
diff --git a/usr.sbin/ntp/config.h b/usr.sbin/ntp/config.h
index 1f91e07..68087af 100644
--- a/usr.sbin/ntp/config.h
+++ b/usr.sbin/ntp/config.h
@@ -925,7 +925,7 @@
 /* Do we want the SCO clock hacks? */
 /* #undef SCO5_CLOCK */
 
-/* The size of a `int', as computed by sizeof. */
+/* The size of an `int', as computed by sizeof. */
 #define SIZEOF_INT 4
 
 /* The size of a `long', as computed by sizeof. */
diff --git a/usr.sbin/ntp/doc/ntp-genkeys.8 b/usr.sbin/ntp/doc/ntp-genkeys.8
index 25c493a..96fc142 100644
--- a/usr.sbin/ntp/doc/ntp-genkeys.8
+++ b/usr.sbin/ntp/doc/ntp-genkeys.8
@@ -95,7 +95,7 @@ specified by the
 .Ic keys
 configuration file command and made
 visible only to root.
-An additional key consisting of a easily
+An additional key consisting of an easily
 remembered password should be added by hand for use with the
 .Xr ntpq 8
 and
diff --git a/usr.sbin/ntp/doc/ntp.conf.5 b/usr.sbin/ntp/doc/ntp.conf.5
index 7798a97..1686c1d 100644
--- a/usr.sbin/ntp/doc/ntp.conf.5
+++ b/usr.sbin/ntp/doc/ntp.conf.5
@@ -134,7 +134,7 @@ be used and the mode in which to operate.
 The
 .Ar address
 can be
-either a DNS name or a IP address in dotted-quad notation.
+either a DNS name or an IP address in dotted-quad notation.
 Additional information on association behavior can be found in the
 .Qq "Association Management"
 page.
diff --git a/usr.sbin/pcvt/Misc/Doc/NotesAndHints b/usr.sbin/pcvt/Misc/Doc/NotesAndHints
index 725831a..8accc2f 100644
--- a/usr.sbin/pcvt/Misc/Doc/NotesAndHints
+++ b/usr.sbin/pcvt/Misc/Doc/NotesAndHints
@@ -1,3 +1,5 @@
+# $FreeBSD$
+
 Random Notes and Hints                Last Edit-Date: [Sun Apr  2 18:28:09 1995]
 --------------------------------------------------------------------------------
 
@@ -16,16 +18,16 @@ below.
 
 ] Just for the record, in case someone else is asking for this: Al's
 ] confirmation that pcvt w/ PCVT_SCANSET=2 works for the ThinkPad:
-] 
+]
 ] As Al Elia wrote:
 ] | Date: Mon, 28 Nov 1994 18:24:42 GMT
 ] | From: Al Elia <aelia%aelia.student.harvard.edu@sax.sax.de>
 ] | Message-Id: <199411281824.SAA01554@aelia.student.harvard.edu>
 ] | To: joerg_wunsch@bonnie.tcd-dresden.de
 ] | Subject: Re: Anyone got FreeBSD 1.1.5.1 running on a ThinkPad?
-] | 
+] |
 ] | PCVT_SCANSET=2 worked...I had put in PCVT_SCAN_SET=2 (Doh!)
-] | 
+] |
 ] | --Al Elia
 ] | <aelia@aelia.student.harvard,edu>
 
@@ -106,7 +108,7 @@ There used to be an entry in the BugList:
 
 This was solved some time ago:
 
-	On another note: if I use stty xtabs, the 'printf "\t\t\t\t\t\t\t" 
+	On another note: if I use stty xtabs, the 'printf "\t\t\t\t\t\t\t"
 	bug goes away. With stty xtabs the tab handling is done in the kernel.
 
 (See also below: "Vttest shows strange results")
@@ -169,11 +171,11 @@ board has a programmable clock generator and you run X and you switch from
 132 col mode into X and back.
 
 I have currently no idea how to solve this, other than having a similar
-scheme as XFree86 applied to pcvt: Letting the user probe his board by using 
+scheme as XFree86 applied to pcvt: Letting the user probe his board by using
 SuperProbe and recompiling pcvt according to the result.
 
 I stumbled a bit deeper into this with my ELSA Winner 1000, which is equipped
-with a ICD2061 clock synthesizer chip. For 132 column mode to work properly,
+with an ICD2061 clock synthesizer chip. For 132 column mode to work properly,
 clock generator 2 must deliver 40 MHz to the S3 VGA chip, but this value has
 to be programmed or initialized. If this VGA board has ever been switched
 into 132 colums, i.e. in my case from a DOS program, it will continue to do
@@ -231,7 +233,7 @@ try to issue the command: "scon -p8,60,60,60", EXPERIMENT !!!
 
 How to change the color palette on VGA cards:
 ===============================================================================
-	
+
 try out the following commands:
 
 	/usr/local/bin/scon -d/dev/ttyv0 -pblack:0,0,0 -pblue:20,20,40
diff --git a/usr.sbin/pcvt/keycap/man5/keycap.5 b/usr.sbin/pcvt/keycap/man5/keycap.5
index b5208661..7e40183 100644
--- a/usr.sbin/pcvt/keycap/man5/keycap.5
+++ b/usr.sbin/pcvt/keycap/man5/keycap.5
@@ -75,10 +75,10 @@ upper case and blanks for readability.
 .It "nl<n>	num	specify key number for the NUM LOCK key
 .It "sc<n>	num	specify key number for the SCROLL LOCK key
 .It "
-.It "K<n>	str	bind a string to a unshifted (normal) key
+.It "K<n>	str	bind a string to an unshifted (normal) key
 .It "S<n>	str	bind a string to a shifted key
 .It "C<n>	str	bind a string to a control key
-.It "A<n>	str	bind a string to a altgr key
+.It "A<n>	str	bind a string to an altgr key
 .It "
 .It "tc	str	Entry of similar map \- must be last."
 .El
diff --git a/usr.sbin/pcvt/userkeys/vt220keys.1 b/usr.sbin/pcvt/userkeys/vt220keys.1
index 1da8544..3a4e231 100644
--- a/usr.sbin/pcvt/userkeys/vt220keys.1
+++ b/usr.sbin/pcvt/userkeys/vt220keys.1
@@ -99,7 +99,7 @@ or
 .Pa .profile
 file.
 Typically an user
-will create a initialization file and include a line like
+will create an initialization file and include a line like
 .Pp
 .Dl "vt220keys -ci"
 OR
diff --git a/usr.sbin/pkg_install/add/pkg_add.1 b/usr.sbin/pkg_install/add/pkg_add.1
index d810d09..4aeb7d6 100644
--- a/usr.sbin/pkg_install/add/pkg_add.1
+++ b/usr.sbin/pkg_install/add/pkg_add.1
@@ -79,7 +79,7 @@ will search them in each directory named by
 .It Fl v
 Turn on verbose output.
 .It Fl I
-If a installation scripts (pre-install or post-install) exist for a given
+If an installation scripts (pre-install or post-install) exist for a given
 package, do not execute them.
 .It Fl n
 Don't actually install a package, just report the steps that
diff --git a/usr.sbin/ppp/ipcp.c b/usr.sbin/ppp/ipcp.c
index 1897d12..b25a158 100644
--- a/usr.sbin/ppp/ipcp.c
+++ b/usr.sbin/ppp/ipcp.c
@@ -1232,7 +1232,7 @@ IpcpDecodeConfig(struct fsm *fp, u_char *cp, u_char *end, int mode_type,
           fsm_nak(dec, &nak);
         } else {
           /*
-           * Otherwise they have it right (this time) so we send a ack packet
+           * Otherwise they have it right (this time) so we send an ack packet
            * back confirming it... end of story
            */
           fsm_ack(dec, opt);
diff --git a/usr.sbin/pppd/RELNOTES b/usr.sbin/pppd/RELNOTES
index 12d9c7f..1c1e3922 100644
--- a/usr.sbin/pppd/RELNOTES
+++ b/usr.sbin/pppd/RELNOTES
@@ -1,3 +1,5 @@
+# $FreeBSD$
+
 This is the README file for ppp-2.3, a package which implements the
 Point-to-Point Protocol (PPP) to provide Internet connections over
 serial lines.
@@ -403,14 +405,14 @@ Most of the code can be freely used and redistributed.  The STREAMS
 code for SunOS 4.x, OSF/1 and AIX 4 is under a more restrictive
 copyright:
 
-	This code is Copyright (C) 1989, 1990 By Brad K. Clements, 
+	This code is Copyright (C) 1989, 1990 By Brad K. Clements,
 	All Rights Reserved.
 
 	You may use this code for your personal use, to provide a non-profit
 	service to others, or to use as a test platform for a commercial
 	implementation.
 
-	You may NOT use this code in a commercial product, nor to provide a 
+	You may NOT use this code in a commercial product, nor to provide a
 	commercial service, nor may you sell this code without express
 	written permission of the author.
 
@@ -489,7 +491,7 @@ security holes.  In addition, the authentication mechanisms were quite
 weak: if the peer refused to agree to authenticate, pppd would print a
 warning message but still allow the link to come up.  The CHAP
 implementation also appeared to be quite broken (has anybody actually
-used it?).  
+used it?).
 
 This new version of pppd addresses these problems.  My aim has been to
 provide system administrators with sufficient access control that PPP
@@ -541,7 +543,7 @@ for several combinations of server (authenticating peer) and client
 and client, and that different protocols can be used in the two
 directions if desired.
 
-A secrets file is parsed into words as for a options file.  A secret
+A secrets file is parsed into words as for an options file.  A secret
 is specified by a line containing at least 3 words, in the order
 client, server, secret.  Any following words on the same line are
 taken to be a list of acceptable IP addresses for that client.  If
diff --git a/usr.sbin/pppd/ipxcp.c b/usr.sbin/pppd/ipxcp.c
index d035709..bdf24d1 100644
--- a/usr.sbin/pppd/ipxcp.c
+++ b/usr.sbin/pppd/ipxcp.c
@@ -1076,7 +1076,7 @@ endswitch:
     /*
      * If we aren't rejecting this packet, and we want to negotiate
      * their address, and they didn't send their address, then we
-     * send a NAK with a IPX_NODE_NUMBER option appended. We assume the
+     * send a NAK with an IPX_NODE_NUMBER option appended. We assume the
      * input buffer is long enough that we can append the extra
      * option safely.
      */
diff --git a/usr.sbin/pppd/pppd.8 b/usr.sbin/pppd/pppd.8
index ce82a73..41cefa1 100644
--- a/usr.sbin/pppd/pppd.8
+++ b/usr.sbin/pppd/pppd.8
@@ -760,7 +760,7 @@ the client, the name of the server, and the secret.  These fields may
 be followed by a list of the IP addresses that the specified client
 may use when connecting to the specified server.
 .LP
-A secrets file is parsed into words as for a options file, so the
+A secrets file is parsed into words as for an options file, so the
 client name, server name and secrets fields must each be one word,
 with any embedded spaces or other special characters quoted or
 escaped.  Any following words on the same line are taken to be a list
diff --git a/usr.sbin/route6d/route6d.c b/usr.sbin/route6d/route6d.c
index d41efd0..98e4647 100644
--- a/usr.sbin/route6d/route6d.c
+++ b/usr.sbin/route6d/route6d.c
@@ -83,7 +83,7 @@ static char _rcsid[] = "$KAME: route6d.c,v 1.64 2001/05/08 04:36:37 itojun Exp $
 #ifdef	DEBUG
 #define	INIT_INTERVAL6	6
 #else
-#define	INIT_INTERVAL6	10	/* Wait to submit a initial riprequest */
+#define	INIT_INTERVAL6	10	/* Wait to submit an initial riprequest. */
 #endif
 
 /* alignment constraint for routing socket */
@@ -1778,7 +1778,7 @@ rt_del(sdst, sgw, smask)
 		 * fresh list.
 		 */
 		struct riprt *longest;
-		trace(1, "\t%s is a interface route, guessing prefixlen\n",
+		trace(1, "\t%s is an interface route, guessing prefixlen\n",
 			inet6_n2p(dst));
 		longest = NULL;
 		for (rrt = riprt; rrt; rrt = rrt->rrt_next) {
diff --git a/usr.sbin/rpcbind/rpcb_svc_com.c b/usr.sbin/rpcbind/rpcb_svc_com.c
index 60c3864..541d168 100644
--- a/usr.sbin/rpcbind/rpcb_svc_com.c
+++ b/usr.sbin/rpcbind/rpcb_svc_com.c
@@ -1385,7 +1385,7 @@ add_pmaplist(RPCB *arg)
 		/* It is TCP */
 		pmap.pm_prot = IPPROTO_TCP;
 	} else
-		/* Not a IP protocol */
+		/* Not an IP protocol */
 		return (0);
 
 	/* interpret the universal address for TCP/IP */
@@ -1437,7 +1437,7 @@ del_pmaplist(RPCB *arg)
 	} else if (arg->r_netid[0] == NULL) {
 		prot = 0;	/* Remove all occurrences */
 	} else {
-		/* Not a IP protocol */
+		/* Not an IP protocol */
 		return (0);
 	}
 	for (prevpml = NULL, pml = list_pml; pml; /* cstyle */) {
diff --git a/usr.sbin/rpcbind/rpcbind.c b/usr.sbin/rpcbind/rpcbind.c
index 9a12ac0..21c19b0 100644
--- a/usr.sbin/rpcbind/rpcbind.c
+++ b/usr.sbin/rpcbind/rpcbind.c
@@ -97,7 +97,7 @@ int rpcbindlockfd;
 
 #ifdef WARMSTART
 /* Local Variable */
-static int warmstart = 0;	/* Grab a old copy of registrations */
+static int warmstart = 0;	/* Grab an old copy of registrations. */
 #endif
 
 #ifdef PORTMAP
@@ -339,7 +339,7 @@ init_transport(struct netconfig *nconf)
 					hints.ai_flags &= AI_NUMERICHOST;
 				} else {
 					/*
-					 * Skip if we have a AF_INET6 adress
+					 * Skip if we have an AF_INET6 adress.
 					 */
 					if (inet_pton(AF_INET6,
 					    hosts[nhostsbak], host_addr) == 1)
@@ -352,7 +352,7 @@ init_transport(struct netconfig *nconf)
 					hints.ai_flags &= AI_NUMERICHOST;
 				} else {
 					/*
-					 * Skip if we have a AF_INET adress
+					 * Skip if we have an AF_INET adress.
 					 */
 					if (inet_pton(AF_INET, hosts[nhostsbak],
 					    host_addr) == 1)
diff --git a/usr.sbin/rpcbind/warmstart.c b/usr.sbin/rpcbind/warmstart.c
index fed9231..1962e1c 100644
--- a/usr.sbin/rpcbind/warmstart.c
+++ b/usr.sbin/rpcbind/warmstart.c
@@ -28,7 +28,7 @@
  */
 /*
  * warmstart.c
- * Allows for gathering of registrations from a earlier dumped file.
+ * Allows for gathering of registrations from an earlier dumped file.
  *
  * Copyright (c) 1990 by Sun Microsystems, Inc.
  */
diff --git a/usr.sbin/sade/sade.8 b/usr.sbin/sade/sade.8
index fe85383..a287640 100644
--- a/usr.sbin/sade/sade.8
+++ b/usr.sbin/sade/sade.8
@@ -294,7 +294,7 @@ Default: none.
 If set, bring up the interactive disk partition editor.
 .El
 .Pp
-Note: Nothing is actually written to disk by this function, a explicit call to
+Note: Nothing is actually written to disk by this function, an explicit call to
 .Ar diskPartitionWrite
 being required for that to happen.
 .It diskPartitionWrite
diff --git a/usr.sbin/setkey/sample.cf b/usr.sbin/setkey/sample.cf
index 978289d..3318f9b 100644
--- a/usr.sbin/setkey/sample.cf
+++ b/usr.sbin/setkey/sample.cf
@@ -166,10 +166,10 @@ add fec0:0:0:2::1 fec0:0:0:1::1 esp 0x10004
 	-E rc5-cbc "kamekame"
 	-A hmac-md5 "this is the test" ;
 
-# By "get" command, you can get a entry of either SP or SA.
+# By "get" command, you can get an entry of either SP or SA.
 get fec0:0:0:1::1 fec0:0:0:2::2 ah 0x10004 ;
 
-# Also delete command, you can delete a entry of either SP or SA.
+# Also delete command, you can delete an entry of either SP or SA.
 spddelete fec0:0:0:1::/64 fec0:0:0:2::/64 any -P out;
 delete fec0:0:0:1::1 fec0:0:0:2::2 ah 0x10004 ;
 
diff --git a/usr.sbin/setkey/setkey.8 b/usr.sbin/setkey/setkey.8
index f25cf34f..7c8cf38 100644
--- a/usr.sbin/setkey/setkey.8
+++ b/usr.sbin/setkey/setkey.8
@@ -283,9 +283,9 @@ Specify hard/soft life time duration of the SA.
 .It Ar algorithm
 .Bl -tag -width Fl -compact
 .It Fl E Ar ealgo Ar key
-Specify a encryption algorithm.
+Specify an encryption algorithm.
 .It Fl A Ar aalgo Ar key
-Specify a authentication algorithm.
+Specify an authentication algorithm.
 If
 .Fl A
 is used with
diff --git a/usr.sbin/stallion/bootcode/stl.4 b/usr.sbin/stallion/bootcode/stl.4
index 7fd9362..ea98335 100644
--- a/usr.sbin/stallion/bootcode/stl.4
+++ b/usr.sbin/stallion/bootcode/stl.4
@@ -108,7 +108,7 @@ No configuration information is required in advance for these
 board types.
 During boot up the
 .Nm
-driver will issue messages to indicate that a EasyConnection 8/32
+driver will issue messages to indicate that an EasyConnection 8/32
 PCI board was found, and some information about it.
 .Pp
 Following are some examples of configuration entries for each of the ISA
diff --git a/usr.sbin/sysinstall/sysinstall.8 b/usr.sbin/sysinstall/sysinstall.8
index fe85383..a287640 100644
--- a/usr.sbin/sysinstall/sysinstall.8
+++ b/usr.sbin/sysinstall/sysinstall.8
@@ -294,7 +294,7 @@ Default: none.
 If set, bring up the interactive disk partition editor.
 .El
 .Pp
-Note: Nothing is actually written to disk by this function, a explicit call to
+Note: Nothing is actually written to disk by this function, an explicit call to
 .Ar diskPartitionWrite
 being required for that to happen.
 .It diskPartitionWrite
diff --git a/usr.sbin/tcpdump/tcpdump/config.h b/usr.sbin/tcpdump/tcpdump/config.h
index b84ee2c..3e7c885 100644
--- a/usr.sbin/tcpdump/tcpdump/config.h
+++ b/usr.sbin/tcpdump/tcpdump/config.h
@@ -101,7 +101,7 @@
 /* The number of bytes in a char.  */
 #define SIZEOF_CHAR 1
 
-/* The number of bytes in a int.  */
+/* The number of bytes in an int.  */
 #define SIZEOF_INT 4
 
 /* The number of bytes in a long.  */
diff --git a/usr.sbin/traceroute6/traceroute6.c b/usr.sbin/traceroute6/traceroute6.c
index f5f3fbe..da3ff1c 100644
--- a/usr.sbin/traceroute6/traceroute6.c
+++ b/usr.sbin/traceroute6/traceroute6.c
@@ -205,7 +205,7 @@ static const char rcsid[] =
  * This program requires a kernel mod that does not appear in any
  * system available from Berkeley:  A raw ip socket using proto
  * IPPROTO_RAW must interpret the data sent as an ip datagram (as
- * opposed to data to be wrapped in a ip datagram).  See the README
+ * opposed to data to be wrapped in an ip datagram).  See the README
  * file that came with the source to this program for a description
  * of the mods I made to /sys/netinet/raw_ip.c.  Your mileage may
  * vary.  But, again, ANY 4.x (x < 4) BSD KERNEL WILL HAVE TO BE