ariell said:
Then I'm afraid you filled it in incorrectly.
Yes, that's very possible. I remembered that we puzzled over this for a while and I cannot recall for sure, (can't check right now) but I think we didn't put the sponsor/spouse's name in there, so it might be sent back to us since they will obviously see that the applicant is my husband from the rest of the application. How strange.
That's a rather poorly designed form. In most cases I think the CIC did a reasonable job of making things clear, but not for that form. I think I might annoy CIC Berlin with an email about it, as a reward

Naaah, I guess if there's a problem they'll let us know.
I found this in the instruction guide (IMM 3999)
For filling in the main application IMM 0008
"Details of family members:
Your family members are your spouse or common-law partner, if applicable, and your dependent children (start with the oldest). You must include all of your family members (who are not already permanent residents of Canada or Canadian citizens)"
Then the only thing they say for the
Additional Family Information (IMM 5406) is this:
It is very important that you list on this form any other children (even if they are already permanent residents of Canada or Canadian citizens) that you, your spouse or common-law partner or your dependent children might have who are not included in your Application for Permanent Residence. This includes married children, adopted children, stepchildren and any of your children who have been adopted by others, or who are in the custody of an ex-spouse or ex-common-law partner.
Clear as mud!

Better dig that up and see what we wrote!
PMM and rjessome give their expert opinions here, confirming again what you said ariell: http://www.canadavisa.com/canada-immigration-discussion-board/-t26970.0.html