docs(observable): fix wrongly formatted race docs (#4291)
docs(observable): fix wrongly formatted race docs (#4291)


trxcllnt/RxJS,martinsik/rxjs,benlesh/RxJS,martinsik/rxjs,ReactiveX/rxjs,kwonoj/RxJS,benlesh/RxJS,ReactiveX/rxjs,ReactiveX/rxjs,benlesh/RxJS,Brocco/RxJS,ReactiveX/RxJS,kwonoj/RxJS,trxcllnt/RxJS,ReactiveX/RxJS,kwonoj/RxJS,trxcllnt/RxJS,ReactiveX/RxJS,benlesh/RxJS,ReactiveX/RxJS,trxcllnt/RxJS,ReactiveX/rxjs,martinsik/rxjs,martinsik/rxjs,Brocco/RxJS,Brocco/RxJS,Brocco/RxJS,kwonoj/RxJS