diff --git a/akka-actor/src/main/scala/akka/actor/Scheduler.scala b/akka-actor/src/main/scala/akka/actor/Scheduler.scala
index 749b0559db..3a70f9fbbc 100644
--- a/akka-actor/src/main/scala/akka/actor/Scheduler.scala
+++ b/akka-actor/src/main/scala/akka/actor/Scheduler.scala
@@ -30,10 +30,10 @@ private final case class SchedulerException(msg: String) extends akka.AkkaExcept
  *  1) the system’s com.typesafe.config.Config (from system.settings.config)
  *  2) a akka.event.LoggingAdapter
  *  3) a java.util.concurrent.ThreadFactory
- *  
- * Please note that this scheduler implementation is higly optimised for high-throughput 
- * and high-frequency events. It is not to be confused with long-term schedulers such as 
- * Quartz. The scheduler will throw an exception if attempts are made to schedule too far 
+ *
+ * Please note that this scheduler implementation is higly optimised for high-throughput
+ * and high-frequency events. It is not to be confused with long-term schedulers such as
+ * Quartz. The scheduler will throw an exception if attempts are made to schedule too far
  * into the future (which by default is around 8 months (`Int.MaxValue` seconds).
  */
 trait Scheduler {
@@ -96,9 +96,9 @@ trait Scheduler {
    * If the `Runnable` throws an exception the repeated scheduling is aborted,
    * i.e. the function will not be invoked any more.
    *
-   * @throws IllegalArgumentException if the given delays exceed the maximum 
+   * @throws IllegalArgumentException if the given delays exceed the maximum
    * reach (calculated as: `delay / tickNanos > Int.MaxValue`).
-   * 
+   *
    * Java API
    */
   def schedule(
@@ -110,9 +110,9 @@ trait Scheduler {
    * Schedules a message to be sent once with a delay, i.e. a time period that has
    * to pass before the message is sent.
    *
-   * @throws IllegalArgumentException if the given delays exceed the maximum 
+   * @throws IllegalArgumentException if the given delays exceed the maximum
    * reach (calculated as: `delay / tickNanos > Int.MaxValue`).
-   * 
+   *
    * Java & Scala API
    */
   final def scheduleOnce(
@@ -129,9 +129,9 @@ trait Scheduler {
    * Schedules a function to be run once with a delay, i.e. a time period that has
    * to pass before the function is run.
    *
-   * @throws IllegalArgumentException if the given delays exceed the maximum 
+   * @throws IllegalArgumentException if the given delays exceed the maximum
    * reach (calculated as: `delay / tickNanos > Int.MaxValue`).
-   * 
+   *
    * Scala API
    */
   final def scheduleOnce(delay: FiniteDuration)(f: ⇒ Unit)(
@@ -143,9 +143,9 @@ trait Scheduler {
    * Schedules a Runnable to be run once with a delay, i.e. a time period that
    * has to pass before the runnable is executed.
    *
-   * @throws IllegalArgumentException if the given delays exceed the maximum 
+   * @throws IllegalArgumentException if the given delays exceed the maximum
    * reach (calculated as: `delay / tickNanos > Int.MaxValue`).
-   * 
+   *
    * Java & Scala API
    */
   def scheduleOnce(