diff --git a/docs/playground/ko/3-7/Types and Code Flow/Uncalled Function Checks.ts b/docs/playground/ko/3-7/Types and Code Flow/Uncalled Function Checks.ts
index c05e287d..2bdf76af 100644
--- a/docs/playground/ko/3-7/Types and Code Flow/Uncalled Function Checks.ts	
+++ b/docs/playground/ko/3-7/Types and Code Flow/Uncalled Function Checks.ts	
@@ -1,4 +1,4 @@
-//// { compiler: {  }, order: 1 }
+//// { "compiler": {}, "order": 1}
 
 // 3.7에서는 if문 안에서
 // 함수의 반환 값 대신 함수를 잘못 사용하는 것을