diff --git a/sbin/camcontrol/fwdownload.c b/sbin/camcontrol/fwdownload.c
index 2c2d12abc006..fc0945048117 100644
--- a/sbin/camcontrol/fwdownload.c
+++ b/sbin/camcontrol/fwdownload.c
@@ -216,7 +216,7 @@ static struct fw_vendor vendors_list[] = {
 	 * since we won't actually send a WRITE BUFFER with any of the
 	 * listed parameters.  If a SATA device is behind a SAS controller,
 	 * the SCSI to ATA translation code (at least for LSI) doesn't
-	 * generaly translate a SCSI WRITE BUFFER into an ATA DOWNLOAD
+	 * generally translate a SCSI WRITE BUFFER into an ATA DOWNLOAD
 	 * MICROCODE command.  So, we use the SCSI ATA PASS_THROUGH command
 	 * to send the ATA DOWNLOAD MICROCODE command instead.
 	 */
diff --git a/sbin/ipfw/ipfw2.c b/sbin/ipfw/ipfw2.c
index 21b6229d42cd..5389268ea7e5 100644
--- a/sbin/ipfw/ipfw2.c
+++ b/sbin/ipfw/ipfw2.c
@@ -82,7 +82,7 @@ int ipfw_socket = -1;
  * Check if we have enough space in cmd buffer. Note that since
  * first 8? u32 words are reserved by reserved header, full cmd
  * buffer can't be used, so we need to protect from buffer overrun
- * only. At the beginnig, cblen is less than actual buffer size by
+ * only. At the beginning, cblen is less than actual buffer size by
  * size of ipfw_insn_u32 instruction + 1 u32 work. This eliminates need
  * for checking small instructions fitting in given range.
  * We also (ab)use the fact that ipfw_insn is always the first field
@@ -4929,7 +4929,7 @@ table_search_ctlv(ipfw_obj_ctlv *ctlv, uint16_t idx)
  * Rules in reply are modified to store their actual ruleset number.
  *
  * (*1) TLVs inside IPFW_TLV_TBL_LIST needs to be sorted ascending
- * accoring to their idx field and there has to be no duplicates.
+ * according to their idx field and there has to be no duplicates.
  * (*2) Numbered rules inside IPFW_TLV_RULE_LIST needs to be sorted ascending.
  * (*3) Each ip_fw structure needs to be aligned to u64 boundary.
  */
diff --git a/sbin/ipfw/ipv6.c b/sbin/ipfw/ipv6.c
index c04dd702b93d..6d884ee9100c 100644
--- a/sbin/ipfw/ipv6.c
+++ b/sbin/ipfw/ipv6.c
@@ -325,7 +325,7 @@ lookup_host6 (char *host, struct in6_addr *ip6addr)
  *     any     matches any IP6. Actually returns an empty instruction.
  *     me      returns O_IP6_*_ME
  *
- *     03f1::234:123:0342		single IP6 addres
+ *     03f1::234:123:0342		single IP6 address
  *     03f1::234:123:0342/24	    address/mask
  *     03f1::234:123:0342/24,03f1::234:123:0343/	       List of address
  *
diff --git a/sbin/pfctl/parse.y b/sbin/pfctl/parse.y
index a03ddbcfa3be..ba29321dd3d9 100644
--- a/sbin/pfctl/parse.y
+++ b/sbin/pfctl/parse.y
@@ -6173,7 +6173,7 @@ rt_tableid_max(void)
 	/*
 	 * As the OpenBSD code only compares > and not >= we need to adjust
 	 * here given we only accept values of 0..n and want to avoid #ifdefs
-	 * in the grammer.
+	 * in the grammar.
 	 */
 	return (fibs - 1);
 #else
diff --git a/sbin/swapon/swapon.c b/sbin/swapon/swapon.c
index 03b2b09bf742..0c534adeec9b 100644
--- a/sbin/swapon/swapon.c
+++ b/sbin/swapon/swapon.c
@@ -428,7 +428,7 @@ swap_on_off_geli(const char *name, char *mntops, int doingall)
 		free(args);
 
 		if (error) {
-			/* error occured during creation. */
+			/* error occurred during creation. */
 			if (qflag == 0)
 				warnx("%s: Invalid parameters", name);
 			return (NULL);