diff --git a/akka-actor/src/main/scala/akka/actor/ActorCell.scala b/akka-actor/src/main/scala/akka/actor/ActorCell.scala
index cc4098ead7..7ab7017077 100644
--- a/akka-actor/src/main/scala/akka/actor/ActorCell.scala
+++ b/akka-actor/src/main/scala/akka/actor/ActorCell.scala
@@ -113,13 +113,13 @@ trait ActorContext extends ActorRefFactory {
 
   /**
    * Returns the dispatcher (MessageDispatcher) that is used for this Actor.
-   * Importing this member will place a implicit ExecutionContext in scope.
+   * Importing this member will place an implicit ExecutionContext in scope.
    */
   implicit def dispatcher: ExecutionContext
 
   /**
    * The system that the actor belongs to.
-   * Importing this member will place a implicit ExecutionContext in scope.
+   * Importing this member will place an implicit ActorSystem in scope.
    */
   implicit def system: ActorSystem
 
diff --git a/akka-actor/src/main/scala/akka/actor/FaultHandling.scala b/akka-actor/src/main/scala/akka/actor/FaultHandling.scala
index 2a8534542e..5101923b4b 100644
--- a/akka-actor/src/main/scala/akka/actor/FaultHandling.scala
+++ b/akka-actor/src/main/scala/akka/actor/FaultHandling.scala
@@ -375,7 +375,7 @@ abstract class SupervisorStrategy {
  * @param maxNrOfRetries the number of times an actor is allowed to be restarted, negative value means no limit
  * @param withinTimeRange duration of the time window for maxNrOfRetries, Duration.Inf means no window
  * @param decider mapping from Throwable to [[akka.actor.SupervisorStrategy.Directive]], you can also use a
- *   `Seq` of Throwables which maps the given Throwables to restarts, otherwise escalates.
+ *   [[scala.collection.immutable.Seq]] of Throwables which maps the given Throwables to restarts, otherwise escalates.
  * @param loggingEnabled the strategy logs the failure if this is enabled (true), by default it is enabled
  */
 case class AllForOneStrategy(
@@ -421,7 +421,7 @@ case class AllForOneStrategy(
  * @param maxNrOfRetries the number of times an actor is allowed to be restarted, negative value means no limit
  * @param withinTimeRange duration of the time window for maxNrOfRetries, Duration.Inf means no window
  * @param decider mapping from Throwable to [[akka.actor.SupervisorStrategy.Directive]], you can also use a
- *   `Seq` of Throwables which maps the given Throwables to restarts, otherwise escalates.
+ *   [[scala.collection.immutable.Seq]] of Throwables which maps the given Throwables to restarts, otherwise escalates.
  * @param loggingEnabled the strategy logs the failure if this is enabled (true), by default it is enabled
  */
 case class OneForOneStrategy(