issue-740: sentence correction

README.md

@@ -98,7 +98,7 @@ Jobs can be run every x weeks on specific days of the week and at specific times
 - [**Monthly**](https://pkg.go.dev/github.com/go-co-op/gocron/v2#MonthlyJob):
 Jobs can be run every x months on specific days of the month and at specific times.
 - [**One time**](https://pkg.go.dev/github.com/go-co-op/gocron/v2#OneTimeJob):
-Jobs can be run at a specific time(s) (either once or many times).
+Jobs can be run at specific time(s) (either once or many times).
 
 ### Concurrency Limits
 Jobs can be limited individually or across the entire scheduler.