Fix some typos in the Releaes Notes #23

Job	Run time
ci (tpb, ubuntu-22.04, --pb --threads --enable-libffi, test-some-fast)	38m 13s
ci (a6osx, macos-12)	17m 24s
ci (ta6osx, macos-12)	20m 14s
ci (i3le, ubuntu-22.04)	16m 52s
ci (ti3le, ubuntu-22.04)	21m 5s
ci (a6le, ubuntu-22.04)	16m 34s
ci (ta6le, ubuntu-22.04)	22m 46s
ci (ta6le, ubuntu-22.04, reboot, -m=ta6le --force, re.boot SCHEME="chezscheme", test-some-fast)	18m 44s
ci (i3nt, windows-2022, vs)	32m 46s
ci (ti3nt, windows-2022, vs)	36m 12s
ci (a6nt, windows-2022, vs)	28m 12s
ci (ta6nt, windows-2022, vs)	34m 57s
ci (ta6nt, windows-2022, gcc)	21m 17s
	5h 25m 16s

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