Fix function comments errors #11674

Job	Run time
execution-wasmtime-test	1m 14s
remote-net-test	18m 27s
ethereum-tests	7m 16s
benchmark-test	7m 25s
default-features-and-witty-integration-test	23m 7s
lint-check-copyright-headers	18s
lint-unexpected-chain-load-operations	3s
storage-service-tests	23m 39s
wasm-application-test	9m 54s
web	3m 42s
check-outdated-cli-md	1m 38s
lint-cargo-clippy	11m 21s
lint-cargo-fmt	17s
lint-cargo-machete	19s
lint-cargo-sort	18s
lint-check-all-features	23m 49s
lint-check-for-outdated-readme	37s
lint-check-linera-service-graphql-schema	1m 3s
lint-wasm-applications	3m 51s
lint-cargo-doc	4m 0s
	2h 22m 18s

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