mdadm: Fix typos in various printed messages

index 4d79d83..2621a49 100644
@@ -1253,7 +1253,7 @@ char *analyse_change(char *devname, struct mdinfo *info, struct reshape *re)
 
 	switch (info->array.level) {
 	default:
-		return "No reshape is possibly for this RAID level";
+		return "No reshape is possible for this RAID level";
 	case LEVEL_LINEAR:
 		if (info->delta_disks != UnSet)
 			return "Only --add is supported for LINEAR, setting --raid-disks is not needed";

@@ -1302,7 +1302,7 @@ char *analyse_change(char *devname, struct mdinfo *info, struct reshape *re)
 		/* Could do some multi-stage conversions, but leave that to
 		 * later.
 		 */
-		return "Impossibly level change request for RAID1";
+		return "Impossible level change request for RAID1";
 
 	case 10:
 		/* RAID10 can be converted from near mode to

@@ -1549,7 +1549,7 @@ char *analyse_change(char *devname, struct mdinfo *info, struct reshape *re)
 		 * with appropriate layout and one extra device
 		 */
 		if (re->level != 4 && re->level != 5)
-			return "Cannot covert to RAID0 from this level";
+			return "Cannot convert to RAID0 from this level";
 
 		switch (re->level) {
 		case 4:

@@ -1726,7 +1726,7 @@ static int set_array_size(struct supertype *st, struct mdinfo *sra,
 		}
 		sysfs_free(info);
 	} else
-		dprintf("Error: set_array_size(): info pointer in NULL\n");
+		dprintf("Error: set_array_size(): info pointer is NULL\n");
 
 	return ret_val;
 }

index 7cdcdba..4dedcec 100644
@@ -474,7 +474,7 @@ int main(int argc, char *argv[])
 		case O(CREATE,DataOffset):
 		case O(GROW,DataOffset):
 			if (data_offset != INVALID_SECTORS) {
-				pr_err("data-offset may only be specified one. Second value is %s.\n", optarg);
+				pr_err("data-offset may only be specified once. Second value is %s.\n", optarg);
 				exit(2);
 			}
 			if (mode == CREATE && strcmp(optarg, "variable") == 0)

@@ -878,7 +878,7 @@ int main(int argc, char *argv[])
 		case O(MONITOR,'p'): /* alert program */
 		case O(MONITOR,ProgramOpt): /* alert program */
 			if (program)
-				pr_err("only specify one alter program. %s ignored.\n",
+				pr_err("only specify one alert program. %s ignored.\n",
 					optarg);
 			else
 				program = optarg;

@@ -2010,18 +2010,18 @@ int SetAction(char *dev, char *action)
 	int retval;
 
 	if (fd < 0) {
-		pr_err("Couldn't open %s: %s\n", dev, strerror(errno));
+		pr_err("Could not open %s: %s\n", dev, strerror(errno));
 		return 1;
 	}
 	retval = sysfs_init(&mdi, fd, NULL);
 	close(fd);
 	if (retval) {
-		pr_err("%s is no an md array\n", dev);
+		pr_err("%s is not an md array\n", dev);
 		return 1;
 	}
 
 	if (sysfs_set_str(&mdi, NULL, "sync_action", action) < 0) {
-		pr_err("Count not set action for %s to %s: %s\n",
+		pr_err("Could not set action for %s to %s: %s\n",
 		       dev, action, strerror(errno));
 		return 1;
 	}