diff --git a/README.md b/README.md
index a5420bb..78e51df 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,6 @@ Sejong Univ 17 Cs 소모임 테크세미나 저장소
  - 박태순 2022/01/16 : [웹 서버 vs WAS](https://velog.io/@taesunpark/웹서버-vs-WAS)
    - 발표 자료 : [웹서버vsWAS.pdf](https://github.com/SJAlgorithm/SJTechSeminar/files/7886179/vsWAS.pdf)
    - 발표 동영상 링크 첨부 예정
- - 강구민 2022/01/23 :
+ - 강구민 2022/01/23 : 
  - 김현욱 2022/01/30 : 
- - 위성철 2022/02/06 :
+ - 위성철 2022/02/13 : [socket] https://sc-ent.tistory.com/2