[ko]: revise index.md for web/glossary/accessibility

[IMHOJEONG]

Description

#15143 의 web/glossary/accessibility 부분입니다.

Motivation

Additional details

기존의 잘 되어 있는 번역은 대부분 그대로 두었습니다.

Related issues and pull requests

[github-actions]

Preview URLs

• /ko/docs/Glossary/Accessibility

Flaws (2)

URL: /ko/docs/Glossary/Accessibility
Title: Accessibility (접근성)
Flaw count: 2

• macros:
  • /ko/docs/Glossary/WAI does not exist but fell back to /en-US/docs/Glossary/WAI
  • /ko/docs/Glossary/W3C does not exist but fell back to /en-US/docs/Glossary/W3C

External URLs (3)

URL: /ko/docs/Glossary/Accessibility
Title: Accessibility (접근성)

• https://ko.wikipedia.org/wiki/%EC%9B%B9_%EC%A0%91%EA%B7%BC%EC%84%B1 (1 time) (Note! This may be a new URL 👀)
• https://webaim.org/ (1 time) (Note! This may be a new URL 👀)
• https://www.w3.org/WAI/ (1 time) (Note! This may be a new URL 👀)