docs: fix docs #1168

Job	Run time
doctest	47s
feature-checks	3m 25s
docs	24s
clippy	52s
fmt	14s
no-std	58s
test stable --no-default-features	1m 8s
wasm-unknown	1m 6s
wasm-wasi	1m 14s
test stable	1m 10s
test stable --all-features	1m 20s
cfg-check	26s
examples	59s
test nightly --no-default-features	1m 3s
feature-powerset	5m 12s
test nightly	41s
test nightly --all-features	1m 9s
test 1.81 --no-default-features	55s
test 1.81	1m 2s
	24m 5s

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