doc improvement #252

Job	Run time
check_if_release_branch	6s
towncrier_check	1m 8s
changed_files	1m 5s
build mirrord	0s
vscode_e2e_on_release_branch	0s
intellij_e2e_on_release_branch	0s
check-rust-docs	4m 14s
lint	43s
integration_tests	17m 49s
macos_tests	13m 22s
test_agent	2m 53s
test_agent_image	1m 0s
lint_markdown	0s
e2e (docker)	9m 23s
e2e (containerd)	9m 44s
ci	1s
	1h 1m 28s

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