Fix typos. #1052

Job	Run time
Test aarch64-apple-tvos	3m 58s
Test (stable)	33s
Test CUDA support	42s
Test (beta)	35s
Clippy	17s
Test (nightly)	34s
MSRV (ubuntu-latest)	26s
Test (linux32)	41s
MSRV (windows-latest)	45s
Rustfmt	5s
Test (macos)	1m 21s
Test (aarch64-ios)	1m 7s
Test (win32)	1m 16s
Test (win64)	2m 49s
Test (mingw32)	1m 35s
Test (mingw64)	1m 39s
Test (windows-2019)	1m 28s
Test (windows-aarch64, windows-latest, stable, aarch64-pc-windows-msvc, --no-run)	2m 40s
	22m 31s

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