fix typo

Flight Offer price instead of Flight Offers price

Author: anthonyroux

README.md

@@ -241,7 +241,7 @@ FlightOfferSearch[] flightOffersSearches = amadeus.shopping.flightOffersSearch.p
 // The flightOrderID comes from the Flight Create Orders (in test environment it's temporary)
 FlightOrder order = amadeus.booking.flightOrder("eJzTd9f3NjIJdzUGAAp%2fAiY=").get();
 
-// Flight Offer price
+// Flight Offers price
 FlightPrice[] flightPricing = amadeus.shopping.flightOffersSearch.pricing.post(
                     body,
                     Params.with("include", "other-services")