Wow, I'm guilty of a felony

THE MICHIGAN PENAL CODE (EXCERPT)
Act 328 of 1931

750.532 Seduction; punishment.
Sec. 532.
Punishment—Any man who shall seduce and debauch any unmarried woman shall be guilty of a felony, punishable by imprisonment in the state prison not more than 5 years or by fine of not more than 2,500 dollars; but no prosecution shall be commenced under this section after 1 year from the time of committing the offense.

History: 1931, Act 328, Eff. Sept. 18, 1931 ;-- CL 1948, 750.532
Michigan Compiled Laws

Hmm, so it is ok to seduce a married woman?