diff --git a/CHANGELOG.md b/CHANGELOG.md
index 20dc279..63538e5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,7 @@
 ### Added
 
 - The `defstate` macro now declares the resulting var as `:dynamic`. This enables the use of `binding` in tests.
-- The State object now implements `IPersistentState`, thus now supports Clojure's `peek`. This can be used to inspect the value, without starting it.
+- The State object now implements `IPersistentStack`, thus now supports Clojure's `peek`. This can be used to inspect the value, without starting it.
 
 ### Changed