clarify -d and -g usage

Signed-off-by: Florian Pritz <bluewind@server-speed.net>

1 files changed, 2 insertions, 2 deletions

diff --git a/fb.pod b/fb.pod
index c02d02b..ba96da1 100644
--- a/fb.pod
+++ b/fb.pod
@@ -28,11 +28,11 @@ If you want to be able to delete files, you have to add the following line to ~/
 
 =head1 SWITCHES
 
--d
+-d <ID(s)>
    Delete the IDs. You can no longer upload files in this mode.
    If the argument is a URL, C<fb> will try to extract the ID.
 
--g
+-g <ID(s)>
    Download the IDs and output on stdout. Please take care when using this,
    as binary data may cause unexpected results when being output directly
    to a terminal. You can no longer upload files in this mode.