diff --git a/snippets/unionBy.md b/snippets/unionBy.md
index 80068f854..6b0d100bb 100644
--- a/snippets/unionBy.md
+++ b/snippets/unionBy.md
@@ -18,5 +18,5 @@ const unionBy = (a, b, fn) => {
 
 ```js
 unionBy([2.1], [1.2, 2.3], Math.floor); // [2.1, 1.2]
-unionBy([{ id: 1 }, { id: 2 }], [{ id: 2 }, { id: 3 }], item => item.id) // [{ id: 1 }, { id: 2 }, { id: 3 }],
+unionBy([{ id: 1 }, { id: 2 }], [{ id: 2 }, { id: 3 }], x => x.id) // [{ id: 1 }, { id: 2 }, { id: 3 }]
 ```