diff --git a/md.4 b/md.4
index fb7267f..af1a796 100644
--- a/md.4
+++ b/md.4
@@ -16,8 +16,8 @@ The
 .B md
 driver provides virtual devices that are created from one or more
 independent underlying devices.  This array of devices often contains
-redundancy, and hence the acronym RAID which stands for a Redundant
-Array of Independent Devices.
+redundancy and the devices are often disk drives, hence the acronym RAID
+which stands for a Redundant Array of Independent Disks.
 .PP
 .B md
 supports RAID levels