Merge pull request #1247 from Doyoung01/trans/1232-formdata

[FormData] 번역 - line13(#1232)

Author: Violet-Bora-Lee

5-network/02-formdata/article.md

@@ -10,7 +10,7 @@ The constructor is:
 let formData = new FormData([form]);
 ```
 
-If HTML `form` element is provided, it automatically captures its fields.
+HTML에 `form` 요소가 있는 경우, 위와 같은 코드를 작성하면 해당 폼 요소의 필드 전체가 자동 반영됩니다.
 
 The special thing about `FormData` is that network methods, such as `fetch`, can accept a `FormData` object as a body. It's encoded and sent out with `Content-Type: multipart/form-data`.