[FormData] 번역 - line76(#1232)

Author: Eul Rho

5-network/02-formdata/article.md

@@ -73,7 +73,7 @@ let formData = new FormData();
 formData.append('key1', 'value1');
 formData.append('key2', 'value2');
 
-// List key/value pairs
+// key/value 쌍이 담긴 리스트
 for(let [name, value] of formData) {
   alert(`${name} = ${value}`); // key1=value1, then key2=value2
 }