diff --git a/snippets/filterNonUniqueBy.md b/snippets/filterNonUniqueBy.md
index ee282c55e..308f42969 100644
--- a/snippets/filterNonUniqueBy.md
+++ b/snippets/filterNonUniqueBy.md
@@ -22,6 +22,6 @@ filterNonUniqueBy(
     { id: 1, value: 'd' },
     { id: 0, value: 'e' }
   ],
-  (a, b) => a.id == b.id
+  (a, b) => a.id === b.id
 ); // [ { id: 2, value: 'c' } ]
 ```