Fix ProbeKey description in the docs #657

Job	Run time
Compute matrix	8s
Doxygen check	14s
Verify Dev Containers / Verify devcontainers	12s
CUDA11.8 gcc / amd64 / Build gcc11/C++17 / Build gcc11/C++17	2m 10s
CUDA12.5 gcc / arm64 / Build gcc12/C++17 / Build gcc12/C++17	2m 14s
CUDA12.5 gcc / amd64 / Build gcc13/C++17 / Build gcc13/C++17	2m 34s
CUDA12.5 gcc / amd64 / Build gcc12/C++17 / Build gcc12/C++17	2m 14s
Verify Dev Containers / List devcontainers	5s
Verify Dev Containers / cuda11.8-gcc11	1m 7s
Verify Dev Containers / cuda12.5-gcc13	1m 1s
Verify Dev Containers / cuda12.4-gcc12	1m 2s
Verify Dev Containers / cuda12.5-gcc13	1m 12s
Verify Dev Containers / cuda12.5-gcc12	55s
CUDA11.8 gcc / amd64 / Test gcc11/C++17 / Test gcc11/C++17	5m 47s
CUDA12.5 gcc / amd64 / Test gcc12/C++17 / Test gcc12/C++17	5m 47s
CUDA12.5 gcc / arm64 / Test ${{ inputs.test_name }}	0s
CUDA12.5 gcc / amd64 / Test ${{ inputs.test_name }}	0s
CI success	1s
	26m 43s

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