diff --git a/tasks-standard/src/main/scala/sbt/Action.scala b/tasks-standard/src/main/scala/sbt/Action.scala
index 166cb5f9a..c7e1f0529 100644
--- a/tasks-standard/src/main/scala/sbt/Action.scala
+++ b/tasks-standard/src/main/scala/sbt/Action.scala
@@ -10,7 +10,7 @@ import ConcurrentRestrictions.{ Tag, TagMap, tagsKey }
 // Action, Task, and Info are intentionally invariant in their type parameter.
 //  Various natural transformations used, such as PMap, require invariant type constructors for correctness
 
-/** Defines a task compuation*/
+/** Defines a task computation*/
 sealed trait Action[T] {
   // TODO: remove after deprecated InputTask constructors are removed
   private[sbt] def mapTask(f: Task ~> Task): Action[T]