diff --git a/_overviews/scala-book/traits-abstract-mixins.md b/_overviews/scala-book/traits-abstract-mixins.md
index 265e95f684..eeecb67aee 100644
--- a/_overviews/scala-book/traits-abstract-mixins.md
+++ b/_overviews/scala-book/traits-abstract-mixins.md
@@ -28,7 +28,7 @@ trait Pet {
 }
 ```
 
-When a class extends a trait, each defined method must be implemented, so here’s a class that extends `Pet` and defines `comeToMaster`:
+When a class extends a trait, each abstract method must be implemented, so here’s a class that extends `Pet` and defines `comeToMaster`:
 
 ```scala
 class Dog(name: String) extends Pet {