diff --git a/Readme.md b/Readme.md
index 2a7335b..1c469c4 100644
--- a/Readme.md
+++ b/Readme.md
@@ -256,7 +256,7 @@ const none = diff(data, clone, {
     if (rhs === 149) {
       rhs = 42;
     }
-    return [lsh, rhs];
+    return [lhs, rhs];
   }
 });