USD$5 million is just initial payment in the contract.It says the milestone payment will be increased if ryplazim is approved by FDA https://app.quotemedia.com/data/downloadFiling?webmasterId=101442&ref=115890350&type=HTML&symbol=LMNL&companyName=Liminal+BioSciences+Inc.&formType=6-K&formDescription=Report+of+foreign+private+issuer+pursuant+to+Rule+13a-16+or+15d-16+under+the+Securities+Exchange+Act+of+1934&dateFiled=2021-05-21&CK=1351172