Adjust some example text to match visual guidelines (#15966) #15

Job	Run time
build (windows-latest)	10m 19s
check-bevy-internal-imports	4s
build (ubuntu-latest)	4m 24s
build (macos-latest)	3m 16s
check-doc	11m 48s
check-missing-examples-in-docs	31s
ci	4m 46s
miri	10m 14s
run-examples-macos-metal	6m 14s
toml	1m 54s
typos	9s
check-missing-features-in-docs	29s
markdownlint	1m 7s
check-compiles	6m 46s
check-compiles-no-std	55s
build-wasm-atomics	1m 49s
msrv	1m 54s
build-wasm	1m 47s
	1h 8m 26s

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