[PATCH v2] docs: Fix typo in comment

[Jonathan Corbet]

"Slark Xiao" <slark_xiao at 163.com> writes:

> May I know the maintainer of one subsystem could merge the changes
> contains lots of subsystem?  I also know this could be filtered by
> grep and sed command, but that patch would have dozens of maintainers
> and reviewers.

Certainly I don't think I can merge a patch touching 166 files across
the tree.  This will need to be broken down by subsystem, and you may
well find that there are some maintainers who don't want to deal with
this type of minor fix.

Thanks,

jon