Typo in futures.md (#26316)

Small letter at the start of the sentence.
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o-pikozh 2019-02-01 09:52:47 +02:00 committed by Johan Andrén
parent 9d6aa8ae94
commit ef3870369a

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@ -28,7 +28,7 @@ See also @ref:[Java 8 Compatibility](java8-compat.md) for Java compatibility.
## Execution Contexts
In order to execute callbacks and operations, Futures need something called an `ExecutionContext`,
which is very similar to a `java.util.concurrent.Executor`. if you have an `ActorSystem` in scope,
which is very similar to a `java.util.concurrent.Executor`. If you have an `ActorSystem` in scope,
it will use its default dispatcher as the `ExecutionContext`, or you can use the factory methods provided
by the @scala[`ExecutionContext` companion object]@java[`ExecutionContexts` class] to wrap `Executors` and `ExecutorServices`, or even create your own.