diff --git a/docs/reference/type-reuse/utility-types/return-type.md b/docs/reference/type-reuse/utility-types/return-type.md
index c463f4df..d62419d3 100644
--- a/docs/reference/type-reuse/utility-types/return-type.md
+++ b/docs/reference/type-reuse/utility-types/return-type.md
@@ -27,7 +27,7 @@ type ReturnType3 = ReturnType<() => never>;
 
 ```ts twoslash
 const isEven = (num: number) => {
-  return num / 2 === 0;
+  return num % 2 === 0;
 };
 
 type isEvenRetType = ReturnType<typeof isEven>;