diff --git a/README b/README
index 13de9287..e837cf37 100644
--- a/README
+++ b/README
@@ -339,6 +339,7 @@ system.  These commands include:
                      available when gparted source is configured
    udevadm         - used in dmraid to query udev name
    yelp            - used to display help manual
+                     (requires gvfs to be able to launch yelp)
    xhost           - used to grant root access to the X11 server, only
                      when configured to do so