Fix a couple typos (#16573) #12

Job	Run time
build (windows-latest)	9m 17s
check-missing-examples-in-docs	39s
build (ubuntu-latest)	4m 30s
check-doc	9m 30s
build (macos-latest)	4m 41s
ci	4m 53s
miri	10m 15s
run-examples-macos-metal	6m 4s
toml	2m 3s
typos	6s
check-bevy-internal-imports	6s
check-missing-features-in-docs	28s
markdownlint	1m 4s
check-compiles	7m 48s
check-compiles-no-std	52s
build-wasm-atomics	2m 20s
msrv	2m 1s
build-wasm	1m 44s
	1h 8m 21s

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