DOC: Fix `dwi` module function cross ref in docstring #332

Job	Run time
build	1m 4s
test (ubuntu-latest, 3.8, x64, .)	4m 26s
test (ubuntu-latest, 3.8, x64, dist/*.whl)	4m 0s
test (ubuntu-latest, 3.8, x64, dist/*.tar.gz)	4m 9s
test (ubuntu-latest, 3.9, x64, .)	3m 52s
test (ubuntu-latest, 3.9, x64, dist/*.whl)	3m 52s
test (ubuntu-latest, 3.9, x64, dist/*.tar.gz)	4m 4s
test (ubuntu-latest, 3.10, x64, .)	4m 11s
test (ubuntu-latest, 3.10, x64, dist/*.whl)	3m 56s
test (ubuntu-latest, 3.10, x64, dist/*.tar.gz)	4m 7s
test (ubuntu-latest, 3.11, x64, .)	4m 4s
test (ubuntu-latest, 3.11, x64, dist/*.whl)	3m 57s
test (ubuntu-latest, 3.11, x64, dist/*.tar.gz)	3m 59s
test (ubuntu-latest, 3.12, x64, .)	4m 36s
test (ubuntu-latest, 3.12, x64, dist/*.whl)	4m 39s
test (ubuntu-latest, 3.12, x64, dist/*.tar.gz)	4m 44s
deploy	0s
	1h 3m 40s

Provide feedback