sentence: Ordinarily, if the runner keeps going, the official scorer should credit a run batted in; if the runner stops and takes off again when the runner notices the misplay, the official scorer should credit the run as scored on a fielder's choice.
modified: fix grammar: Ordinarily, if the runner keeps going, the official scorer should credit a run batted on; if the runner stops and takes off again when the runner notices the misplay, the official scorer should credit the run as scored at a fielder's choice.