Changed constants name MIN_TEAM_LENGTH value to 2 and the error message (#4149)

webapp/i18n/ko.json

@@ -1102,13 +1102,13 @@
   "create_post.write": "메시지를 입력하세요...",
   "create_team.agreement": "By proceeding to create your account and use {siteName}, you agree to our <a href='/static/help/terms.html'>Terms of Service</a> and <a href='/static/help/privacy.html'>Privacy Policy</a>. If you do not agree, you cannot use {siteName}.",
   "create_team.display_name.back": "이전 단계로 돌아가기",
-  "create_team.display_name.charLength": "Name must be 4 or more characters up to a maximum of 15",
+  "create_team.display_name.charLength": "Name must be 2 or more characters up to a maximum of 15",
   "create_team.display_name.nameHelp": "Name your team in any language. Your team name shows in menus and headings.",
   "create_team.display_name.next": "다음",
   "create_team.display_name.required": "필수 항목입니다.",
   "create_team.display_name.teamName": "팀 이름",
   "create_team.team_url.back": "이전 단계로 돌아가기",
-  "create_team.team_url.charLength": "Name must be 4 or more characters up to a maximum of 15",
+  "create_team.team_url.charLength": "Name must be 2 or more characters up to a maximum of 15",
   "create_team.team_url.creatingTeam": "팀 생성 중...",
   "create_team.team_url.finish": "완료",
   "create_team.team_url.hint": "<li>Short and memorable is best</li><li>Use lowercase letters, numbers and dashes</li><li>Must start with a letter and can't end in a dash</li>",