Waitlisted on UA900 SFO-FRA.

Previously ual.com said:
United Airlines 0900
Waitlisted

Now it says:
United Airlines 0900
KL
Please contact your booking agent regarding schedule changes


There appears to be no schedule change, and the seat assignment below still shows coach. What does the 'KL' mean?

[This message has been edited by paullevi (edited 04-19-2002).]