diff --git a/arch/s390/kernel/vtime.c b/arch/s390/kernel/vtime.c
index b4a3e9e06ef244967b440057a1ee46b05bdb0def..31bd96e811677546b8a668d9c6e1e85b8d980f7f 100644
--- a/arch/s390/kernel/vtime.c
+++ b/arch/s390/kernel/vtime.c
@@ -350,7 +350,7 @@ static void __add_vtimer(struct vtimer_list *timer, int periodic)
 }
 
 /*
- * add_virt_timer - add an oneshot virtual CPU timer
+ * add_virt_timer - add a oneshot virtual CPU timer
  */
 void add_virt_timer(struct vtimer_list *timer)
 {
diff --git a/drivers/net/ethernet/sfc/mcdi_pcol.h b/drivers/net/ethernet/sfc/mcdi_pcol.h
index 47ced8a898ca305885136acc4c54dd8b95786a11..91fb54fd03d9b44e98202e188eb29bf4db5b8972 100644
--- a/drivers/net/ethernet/sfc/mcdi_pcol.h
+++ b/drivers/net/ethernet/sfc/mcdi_pcol.h
@@ -10832,7 +10832,7 @@
 
 /***********************************/
 /* MC_CMD_GET_LICENSED_V3_FEATURE_STATES
- * Query the state of an one or more licensed features. (Note that the actual
+ * Query the state of one or more licensed features. (Note that the actual
  * state may be invalidated by the MC_CMD_LICENSING_V3 OP_UPDATE_LICENSE
  * operation or a reboot of the MC.) Used for V3 licensing (Medford)
  */
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 52747b6ac89ae7662f30ae36713a95e73684ff4b..ca425e8099ea816096d1962713a5c4eecfced49c 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -2335,7 +2335,7 @@ static int proc_drop_privileges(struct usb_dev_state *ps, void __user *arg)
 	if (copy_from_user(&data, arg, sizeof(data)))
 		return -EFAULT;
 
-	/* This is an one way operation. Once privileges are
+	/* This is a one way operation. Once privileges are
 	 * dropped, you cannot regain them. You may however reissue
 	 * this ioctl to shrink the allowed interfaces mask.
 	 */
diff --git a/scripts/spelling.txt b/scripts/spelling.txt
index 27991a91de6f3a25595ab156ca797862a6d9a573..6ff540377fe677b6afc99115c7c031c9737514a9 100644
--- a/scripts/spelling.txt
+++ b/scripts/spelling.txt
@@ -89,6 +89,7 @@ amout||amount
 an union||a union
 an user||a user
 an userspace||a userspace
+an one||a one
 analysator||analyzer
 ang||and
 anniversery||anniversary
diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c
index 28d41e709128f51414817ad21a16ea636c007709..3abe3373ce90f1e8a8089d253fdc6226bcb182d0 100644
--- a/tools/perf/util/dso.c
+++ b/tools/perf/util/dso.c
@@ -951,7 +951,7 @@ static struct dso *__dso__findlink_by_longname(struct rb_root *root,
 		if (rc == 0) {
 			/*
 			 * In case the new DSO is a duplicate of an existing
-			 * one, print an one-time warning & put the new entry
+			 * one, print a one-time warning & put the new entry
 			 * at the end of the list of duplicates.
 			 */
 			if (!dso || (dso == this))