This error message feels very cryptic.

This may be unfair criticism, given that the previous one was exactly the same, but now'd be a good time to improve it. If I see an error message, I'd not be sure what 0 and 4 are, and what steps I need to take:

![image](https://f.cloud.github.com/assets/23801/1880561/ccacc58a-795a-11e3-911e-461f530ef8dd.png)

Could we include parts of the copy that's further down the page (or something about not using obvious passwords) in the text here?