Option 10 CODE OXYGA passenger requiring inflight therapeutic oxygen must prebook and pay for the service at least 7 days prior to travel by contacting the Ryanair Special Assistance Line

Could you correct the punctuation please?
Option 10 (CODE: OXYG):A passenger requiring in-flight therapeutic oxygen must prebook and pay for the service at least 7 days prior to travel, by contacting the Ryanair Special Assistance Line.