There's a typo there:

	w1_generic.rst -> w1-generic.rst

Causing the document reference to point to the wrong place.

Fixes: e2c94d6f ("w1_therm: adding alarm sysfs entry")
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/66b47dd879e8ae38b6db6d2f38780e00a29fc086.1592895969.git.mchehab+huawei@kernel.orgSigned-off-by: Jonathan Corbet <corbet@lwn.net>