docs: Fix typo (#527) #210

Job	Run time
downgrade (1.10, core)	11m 50s
downgrade (1.10, adjoint)	9m 1s
downgrade (1.10, alloc_check)	9m 21s
test (1.10, ubuntu-latest, core)	11m 50s
test (1.10, ubuntu-latest, adjoint)	9m 12s
test (1.10, ubuntu-latest, alloc_check)	9m 21s
test (1.10, macos-latest, core)	6m 59s
test (1.10, macos-latest, adjoint)	6m 10s
test (1.10, macos-latest, alloc_check)	7m 4s
test (1.10, windows-latest, core)	12m 32s
test (1.10, windows-latest, adjoint)	10m 46s
test (1.10, windows-latest, alloc_check)	10m 42s
test (1, ubuntu-latest, core)	20m 0s
test (1, ubuntu-latest, adjoint)	15m 38s
test (1, ubuntu-latest, alloc_check)	16m 1s
test (1, macos-latest, core)	9m 47s
test (1, macos-latest, adjoint)	9m 4s
test (1, macos-latest, alloc_check)	11m 35s
test (1, windows-latest, core)	19m 35s
test (1, windows-latest, adjoint)	16m 19s
test (1, windows-latest, alloc_check)	17m 10s
	4h 9m 57s

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