diff --git a/1-js/05-data-types/11-date/2-get-week-day/solution.md b/1-js/05-data-types/11-date/2-get-week-day/solution.md
index 58d75c1c31..b718f2da9e 100644
--- a/1-js/05-data-types/11-date/2-get-week-day/solution.md
+++ b/1-js/05-data-types/11-date/2-get-week-day/solution.md
@@ -1,6 +1,6 @@
-The method `date.getDay()` returns the number of the weekday, starting from sunday.
+`date.getDay()` �޼���� ������ ��Ÿ���� ���ڸ� ��ȯ�մϴ�(�Ͽ��Ϻ��� ����).
 
-Let's make an array of weekdays, so that we can get the proper day name by its number:
+������ ��� �迭�� �����, `date.getDay()`�� ȣ���� ��ȯ���� ���� �ε����� ����ϸ� ���ϴ� ����� ������ �� �ֽ��ϴ�.
 
 ```js run demo
 function getWeekDay(date) {
@@ -9,6 +9,8 @@ function getWeekDay(date) {
   return days[date.getDay()];
 }
 
-let date = new Date(2014, 0, 3); // 3 Jan 2014
+let date = new Date(2014, 0, 3); // 2014�� 1�� 3��
 alert( getWeekDay(date) ); // FR
 ```
+
+--2019-11-15--
\ No newline at end of file
diff --git a/5-network/11-websocket/article.md b/5-network/11-websocket/article.md
index 4eaf47ed2f..60783b14f6 100644
--- a/5-network/11-websocket/article.md
+++ b/5-network/11-websocket/article.md
@@ -111,7 +111,7 @@ Here `Sec-WebSocket-Accept` is `Sec-WebSocket-Key`, recoded using a special algo
 
 Afterwards, the data is transfered using WebSocket protocol, we'll see its structure ("frames") soon. And that's not HTTP at all.
 
-### Extensions and subprotocols
+### extensions와 subprotocols 헤더
 
 There may be additional headers `Sec-WebSocket-Extensions` and `Sec-WebSocket-Protocol` that describe extensions and subprotocols.