diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index f0949e2..859bd3f 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -2376,6 +2376,7 @@
 module_init(raid_init);
 module_exit(raid_exit);
 MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("RAID1 (mirroring) personality for MD");
 MODULE_ALIAS("md-personality-3"); /* RAID1 */
 MODULE_ALIAS("md-raid1");
 MODULE_ALIAS("md-level-1");