Fix name of value used in pseudocode to explain how atomic.dec works #67

Job	Run time
compute-matrix	3s
checks / check-style	51s
checks / other-checks	34s
build-wheels / compute-matrix	5s
build-conda / compute-matrix	2s
build-conda / build (12.0.1, amd64, 3.12, rockylinux8)	2m 11s
build-wheels / 12.0.1, 3.12, amd64, rockylinux8	3m 23s
test-conda / compute-matrix	3s
test-conda / tests (12.0.1, amd64, 3.9, ubuntu20.04, v100, latest)	17m 20s
test-conda / tests (12.0.1, amd64, 3.10, ubuntu20.04, v100, latest)	9m 41s
test-conda / tests (12.0.1, amd64, 3.11, ubuntu20.04, v100, latest)	19m 39s
test-conda / tests (12.0.1, amd64, 3.12, ubuntu20.04, v100, latest)	8m 32s
test-conda / tests (12.0.1, arm64, 3.9, ubuntu20.04, a100, latest)	6m 29s
test-conda / tests (12.0.1, arm64, 3.10, ubuntu20.04, a100, latest)	6m 15s
test-conda / tests (12.0.1, arm64, 3.11, ubuntu20.04, a100, latest)	5m 46s
test-conda / tests (12.0.1, arm64, 3.12, ubuntu20.04, a100, latest)	6m 29s
test-wheels / compute-matrix	4s
test-wheels / 12.0.1, 3.9, amd64, ubuntu20.04, v100	11m 44s
test-wheels / 12.0.1, 3.10, amd64, ubuntu20.04, v100	12m 40s
test-wheels / 12.0.1, 3.11, amd64, ubuntu20.04, v100	17m 43s
test-wheels / 12.0.1, 3.12, amd64, ubuntu20.04, v100	13m 22s
test-wheels / 12.0.1, 3.9, arm64, ubuntu20.04, a100	7m 34s
test-wheels / 12.0.1, 3.10, arm64, ubuntu20.04, a100	9m 12s
test-wheels / 12.0.1, 3.11, arm64, ubuntu20.04, a100	8m 41s
test-wheels / 12.0.1, 3.12, arm64, ubuntu20.04, a100	8m 1s
pr-builder / run	1s
	2h 56m 25s

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