diff --git a/cmd/zfs/zfs_main.c b/cmd/zfs/zfs_main.c
index 650b4fc9b..7cae89fcd 100644
--- a/cmd/zfs/zfs_main.c
+++ b/cmd/zfs/zfs_main.c
@@ -401,7 +401,7 @@ get_usage(zfs_help_t idx)
 		    "<-a | filesystem|volume>\n"));
 	case HELP_CHANGE_KEY:
 		return (gettext("\tchange-key [-l] [-o keyformat=<value>]\n"
-		    "\t    [-o keylocation=<value>] [-o pbkfd2iters=<value>]\n"
+		    "\t    [-o keylocation=<value>] [-o pbkdf2iters=<value>]\n"
 		    "\t    <filesystem|volume>\n"
 		    "\tchange-key -i [-l] <filesystem|volume>\n"));
 	case HELP_VERSION: