diff --git a/implementations.md b/implementations.md
index 24d5424..362ec17 100644
--- a/implementations.md
+++ b/implementations.md
@@ -16,7 +16,7 @@ Here are a list of implementations that live in Fantasy Land:
   implements Monad and Functor for Promise
 * [Fantasy Sorcery](https://github.com/pufuwozu/fantasy-sorcery)
   provides common functions that work for Fantasy Land structures
-* ECMAScript 5 provides a Semigroup and Functor for Array
+* ECMAScript 5 provides a Semigroup, Functor, and Foldable for Array
 * [lz](https://github.com/goatslacker/lz) implements Semigroup, Monoid, Functor, and Monad for lazy Array and String
 * [Pacta](https://github.com/mudge/pacta) is an algebraic implementation of
   Promises that implements Semigroup, Monoid, Functor, Applicative, Chain and