Hi, found some mistakes and suggestions for you.
Home page:
Sign up, receive a 5€ discount and take advantage of all our offrers
should be offers
The Faq link should be all caps. FAQ?
FAQ:
navettedisney-aeroport.comuse PayPal the web's
missing space between your URL and use
For the meeting points, it would be nice to have pictures or floorplan maps so people know exactly where to go?
For how it works, some capitalization issues. Try to be consistent.
And across the site, try to place links to various pages whenever possible like when you mention contact us, link it to the contact page. etc etc.
Overall, a very professional and nice looking site. Good job!