Fix typos #71

Job	Run time
Check code formatting	2s
Linux (1.56.0)	3m 33s
Linux (stable)	13s
Linux (beta)	19s
Linux (nightly)	18s
Linux (--features serde, 1.56.0)	3m 41s
Linux (--features serde, stable)	19s
Linux (--features serde, beta)	24s
Linux (--features serde, nightly)	24s
Linux (--no-default-features --features libm, 1.56.0)	3m 38s
Linux (--no-default-features --features libm, stable)	23s
Linux (--no-default-features --features libm, beta)	18s
Linux (--no-default-features --features libm, nightly)	20s
Linux (stable, --features mint)	12s
Linux (stable, --features bytemuck)	36s
Linux (stable, --features arbitrary)	25s
Linux (nightly, --features unstable)	18s
Linux (nightly, --features unstable,serde)	23s
Result	1s
	15m 47s

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