diff --git a/docs/src/main/tut/contravariant.md b/docs/src/main/tut/contravariant.md
index 8762f2d800..7bbb629a83 100644
--- a/docs/src/main/tut/contravariant.md
+++ b/docs/src/main/tut/contravariant.md
@@ -11,7 +11,7 @@ The `Contravariant` type class is for functors that define a `contramap`
 function with the following type:
 
 ```scala
-def contramap[A, B](f: B => A): F[A] => F[B]
+def contramap[A, B](fa: F[A])(f: B => A): F[B]
 ```
 
 It looks like regular (also called `Covariant`) [`Functor`](functor.html)'s `map`,