As The Tide Turns

A reader writes:

I got home today with a "Benefit Update Rider" from Oxford Health Plans waiting in my mailbox. This sort of thing usually fills me with dread, and it the only time such a notice put a smile on my face. Verbatim, as follows:

SECTION XIII. Definitions has been updated to include the following definition of Spouse:

Spouse: A person's partner (husband or wife) in a legal marriage.  For purposes of Dependent eligibility under this Certificate, spouse includes same sex partners who are married in jurisdictions that recognize same sex marriages.