Added the issue to comments

Author: pazone

.buildkite/hooks/pre-command

@@ -18,6 +18,7 @@ DOCKER_REGISTRY_SECRET_PATH="kv/ci-shared/platform-ingest/docker_registry_prod"
 CI_DRA_ROLE_PATH="kv/ci-shared/release/dra-role"
 CI_GCP_OBS_PATH="kv/ci-shared/observability-ingest/cloud/gcp"
 # This key exists for backward compatibility with OGC framework
+# see https://github.com/elastic/elastic-agent/issues/8536
 CI_ESS_PATH="kv/ci-shared/platform-ingest/platform-ingest-ec-prod"
 CI_DRA_ROLE_PATH="kv/ci-shared/release/dra-role"