update welcome package

content/en/guide/welcomepackage/_index.md

@@ -24,7 +24,7 @@ KWG was [established with the following background](https://www.oss.kr/community
 
 KWG was [established](https://devocean.sk.com/opensource/techBoardDetail.do?ID=164691) as a subgroup of the Linux Foundation's OpenChain Project to support open source compliance for Korean companies. It officially started its activities in January 2019 with the [first meeting](https://openchain-project.github.io/OpenChain-KWG/meeting/1st/) held at LG Electronics, with open source representatives from major corporations participating.
 
-### Major Achievements and Milestones
+### Major Achievements
 
 KWG has achieved the following major accomplishments and milestones since its establishment:
 

content/ko/guide/welcomepackage/_index.md

@@ -24,7 +24,7 @@ KWG는 [다음과 같은 배경에서 설립](https://www.oss.kr/community_suppo
 
 KWG는 Linux Foundation의 OpenChain Project의 하위 그룹으로, 한국 기업들의 오픈소스 컴플라이언스를 지원하기 위해 [설립되었습니다](https://devocean.sk.com/opensource/techBoardDetail.do?ID=164691). 주요 대기업들의 오픈소스 담당자들이 참여하여 LG전자에서 2019년 1월 [첫 번째 모임](https://openchain-project.github.io/OpenChain-KWG/meeting/1st/)을 개최하면서 공식적으로 활동을 시작했습니다.
 
-### 주요 성과 및 마일스톤
+### 주요 성과
 
 KWG는 설립 이후 다음과 같은 주요 성과와 마일스톤을 달성했습니다: