document limitations

diff --git a/lib/RFID/Biblio/librfid.pm b/lib/RFID/Biblio/librfid.pm
index 244eaaf..a8044ee 100644 (file)
--- a/lib/RFID/Biblio/librfid.pm
+++ b/lib/RFID/Biblio/librfid.pm
@@ -18,9 +18,11 @@ This is wrapper around C<librfid-tool> from
 
 L<http://openmrtd.org/projects/librfid/>
 
-=head2 SYOPSYS
-
+Due to limitation of C<librfid-tool> only C<inventory> and
+C<read_blocks> is supported.
 
+However, this code might provide template for integration
+with any command-line utilities for different RFID readers.
 
 =cut