[ko] Update _index.md

Author: Arhell

content/ko/docs/concepts/workloads/pods/_index.md

@@ -346,6 +346,6 @@ _프로브_는 컨테이너의 kubelet에 의해 주기적으로 실행되는 
 
 * [Aurora](https://aurora.apache.org/documentation/latest/reference/configuration/#job-schema)
 * [Borg](https://research.google.com/pubs/pub43438.html)
-* [Marathon](https://mesosphere.github.io/marathon/docs/rest-api.html)
+* [Marathon](https://github.com/d2iq-archive/marathon)
 * [Omega](https://research.google/pubs/pub41684/)
 * [Tupperware](https://engineering.fb.com/data-center-engineering/tupperware/).