Fix typo in error message. #6

Job	Run time
ubu-24 \| g++-14 \| c++2b \| libstdc++ \| ubuntu-24.04	6m 56s
ubu-24 \| g++-13 \| c++2b \| libstdc++ \| ubuntu-24.04	3m 54s
ubu-20 \| g++-10 \| c++20 \| libstdc++ \| ubuntu-20.04	3m 0s
ubu-24 \| clang++-18 \| c++20 \| libstdc++ \| ubuntu-24.04	4m 45s
ubu-22 \| clang++-15 \| c++20 \| libstdc++ \| ubuntu-22.04	3m 42s
ubu-22 \| clang++-15 \| c++20 \| libc++-15-dev \| ubuntu-22.04	3m 49s
ubu-20 \| clang++-12 \| c++20 \| libstdc++ \| ubuntu-20.04	2m 55s
mac-14 \| clang++ \| c++2b \| default \| macos-14	1m 31s
mac-13 \| clang++ \| c++2b \| default \| macos-13	3m 22s
mac-13 \| clang++-15 \| c++2b \| default \| macos-13	4m 54s
win-22 \| cl.exe \| c++latest \| default \| windows-2022	2m 41s
win-22 \| cl.exe \| c++20 \| default \| windows-2022	2m 44s
aggregate-results	3s
	44m 16s

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