diff --git a/beadm.1 b/beadm.1
index 3588348..9b3a711 100644
--- a/beadm.1
+++ b/beadm.1
@@ -104,7 +104,7 @@ Displays all boot environments.
 .PP
 If
 .Fl a
-is used, display snapshots as well.
+is used, display all datasets and snapshots as well.
 If
 .Fl D
 is used, display the full space usage for each boot environment, assuming all other boot environments were destroyed.