change manpage for new rfkill list behaviour

diff --git a/rfkill.8 b/rfkill.8
index 612e366e148bdadc674a1384dc737136f90f11b8..5bce9fd4666c26edb535db4791a159c396a141d9 100644 (file)
--- a/rfkill.8
+++ b/rfkill.8
@@ -17,8 +17,9 @@ Show rfkill's built-in help text.
 .B event
 Listen for rfkill events and display them on stdout.
 .TP
-.B list
-List the current state of all available rfkill-using devices.
+.B list [type]
+List the current state of all available rfkill-using devices,
+or just all of the given type.
 .TP
 .BI block " index|type"
 Disable the device corresponding to the given index.