I think a question on the AP Chem Take-home test is wrong. Can anyone help confirm?

[Wedesdo]

This is a messed up AP Chem Take-home test. Can anyone help?

When a small amount of 3M NH3 ia added to a 0.1 M Cu(NO3)2 solution, a precipitate of Cu(OH)2 forms. Upon addition of excess ammonia, Cu(OH)2 redissolves. Write reaction oequations to explain these observation.

How is this possibly? Shouldn't excess ammonia increase the pH even MORE, making [OH-] higher and diriving down the amount of [Cu2+] that can be dissolved even more?

I'll bet this question on the test was typed wrong. Can anyone confirm?