NFC: Fixing a typo in the ComponentDataSet docstring #690

Job	Run time
lint/style-and-typos	1m 53s
linux/3.8/bare-env	9s
linux/3.12	34m 58s
osx/3.10	15m 52s
win/3.9	52m 27s
linux/3.11/conda	22m 31s
linux/3.10/mpi	8m 31s
linux/3.10/cython	19m 4s
win/3.8/pip	27m 8s
process-coverage-${{ matrix.TARGET }}	0s
	3h 2m 33s

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