Just noticed that a refundable fare for a flight I cancelled was turned into an FFC instead of a refund. Discovered it in the "My United" section of my account. Do I simply call in and have them refund it? The fare rules are below (just to make sure this really should have been refunded)

Voluntary refunds

GENERAL RULES TEXT
REFUND MUST BE REQUESTED BEFORE DEPARTURE OF JOURNEY.
NO CHARGE. IF ALL PENALTIES IN PRICING UNIT ARE PER
PRICING UNIT COLLECT HIGHEST. IF MIX OF PER FARE
COMPONENT AND PER PRICING UNIT CALCULATE EACH AS PER
PRICING UNIT AND COLLECT HIGHEST.
REFUND REQUEST MUST BE LESS THAN ONE YEAR AFTER TICKET
ISSUANCE. FORM OF REFUND - ORIGINAL FORM OF PAYMENT. ONLY
VALIDATING CARRIER MAY REFUND TICKET.
OR -
REFUND MUST BE REQUESTED AFTER DEPARTURE OF JOURNEY.
NO CHARGE. IF ALL PENALTIES IN PRICING UNIT ARE PER
PRICING UNIT COLLECT HIGHEST. IF MIX OF PER FARE
COMPONENT AND PER PRICING UNIT CALCULATE EACH AS PER
PRICING UNIT AND COLLECT HIGHEST.
REFUND REQUEST MUST BE LESS THAN ONE YEAR AFTER TRAVEL
COMMENCEMENT DATE IF PARTIALLY USED OR ONE YEAR AFTER
TICKET ISSUANCE IF TICKET UNUSED. FORM OF REFUND -
ORIGINAL FORM OF PAYMENT. ONLY VALIDATING CARRIER MAY
REFUND TICKET.