Fix Doc Typo in Flowsheet List #9062

Job	Run time
Check code is formatted (Black)	21s
Code linting (pylint)	4m 37s
macOS setup (EXPERIMENTAL) (3.9)	40m 35s
Tests (py3.9/linux)	36m 5s
Test notebooks (py3.9/linux)	5m 36s
Tests (py3.9/win64)	44m 38s
pytest (user mode) (py3.9/linux)	20m 38s
Tests (py3.10/linux)	31m 37s
Test notebooks (py3.9/win64)	10m 17s
pytest (user mode) (py3.9/win64)	21m 51s
Test notebooks (py3.11/linux)	5m 15s
Tests (py3.10/win64)	54m 15s
pytest (user mode) (py3.11/linux)	14m 46s
Test notebooks (py3.11/win64)	10m 44s
Tests (py3.11/linux)	30m 36s
pytest (user mode) (py3.11/win64)	26m 32s
Tests (py3.11/win64)	1h 0m 29s
Upload coverage report (Codecov)	9s
	6h 59m 1s

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