Fix spelling for Go report (prebid#775)

* [Spelling fix] Fix spelling for go report card

* [spelling] making go report happier

endpoints/openrtb2/amp_auction.go

@@ -34,7 +34,7 @@ type AmpResponse struct {
 }
 
 // NewAmpEndpoint modifies the OpenRTB endpoint to handle AMP requests. This will basically modify the parsing
-// of the request, and the return value, using the OpenRTB machinery to handle everything inbetween.
+// of the request, and the return value, using the OpenRTB machinery to handle everything in between.
 func NewAmpEndpoint(ex exchange.Exchange, validator openrtb_ext.BidderParamValidator, requestsById stored_requests.Fetcher, cfg *config.Configuration, met pbsmetrics.MetricsEngine, pbsAnalytics analytics.PBSAnalyticsModule, disabledBidders map[string]string, defReqJSON []byte, bidderMap map[string]openrtb_ext.BidderName) (httprouter.Handle, error) {
 	if ex == nil || validator == nil || requestsById == nil || cfg == nil || met == nil {
 		return nil, errors.New("NewAmpEndpoint requires non-nil arguments.")