typos #2042

Job	Run time
macos-latest: clang++ Release Threads	11m 0s
macos-latest: clang++ Release OneTBB	1m 2s
macos-latest: clang++ Release PaRSEC	1m 15s
ubuntu-20.04: /usr/bin/g++-9 Release Threads	34m 40s
ubuntu-20.04: /usr/bin/g++-9 Release OneTBB	2m 13s
ubuntu-20.04: /usr/bin/g++-9 Release PaRSEC	1m 52s
macos-latest: clang++ Debug Threads	1s
macos-latest: clang++ Debug OneTBB	2m 27s
macos-latest: clang++ Debug PaRSEC	1m 24s
ubuntu-20.04: /usr/bin/g++-9 Debug Threads	48m 34s
ubuntu-20.04: /usr/bin/g++-9 Debug OneTBB	1m 33s
ubuntu-20.04: /usr/bin/g++-9 Debug PaRSEC	1m 44s
	1h 47m 45s

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