card production ordered but ...

Just got an email from USCIS saying that card production ordered for me. Went to USCIS's website and found out that both my hu*****and's and my I-485 have been approved. He is the main petitioner. Then why didn't I get the email about him?

Details:
EB1b, I-140 submitted at the end of last July, approved early this April
I-485 submitted concurrently with I-140
Got RFE early this July for Employment Verification Letter, Physical Exam and G-325
USCIS Got RFE response on July 11th
Updated July 14th
I-485 approved today

Good luck to every one!