Minor doc improvements #52

Job	Run time
bookworm armv7 / build	3m 3s
bullseye armv7 / build	4m 29s
bookworm armv7 / test (run_install_common.sh)	13m 50s
bookworm armv7 / test (run_install_faststartup.sh)	9m 15s
bookworm armv7 / test (run_install_webapp_local.sh)	14m 4s
bookworm armv7 / test (run_install_webapp_download.sh)	14m 1s
bookworm armv7 / test (run_install_libzmq_local.sh)	24m 0s
bullseye armv7 / test (run_install_common.sh)	14m 5s
bullseye armv7 / test (run_install_faststartup.sh)	9m 30s
bullseye armv7 / test (run_install_webapp_local.sh)	14m 48s
bullseye armv7 / test (run_install_webapp_download.sh)	15m 0s
bullseye armv7 / test (run_install_libzmq_local.sh)	22m 53s
bookworm armv7 / cleanup	3s
bullseye armv7 / cleanup	1s
	2h 39m 2s

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