message: docs(ReplaySubject): correct description
diff: @@ -240,7 +240,7 @@ subject.next(3);
  ## ReplaySubject
  -A `ReplaySubject` is similar to a `BehaviorSubject` in that it can send old values to new subscribers, but it can also *record* a part of the Observable execution.
  +A `ReplaySubject` is similar to a `BehaviorSubject` in that it can send current and new values to new subscribers, but it can also *record* a part of the Observable execution.
  <span class="informal">A `ReplaySubject` records multiple values from the Observable execution and replays them to new subscribers.</span>
  