I'm all for the general idea, but the current proposed text is a bit ambiguous.
As Shog9 put it, someone looking at this may think:
"Not all homework questions are allowed" ... ok; does that apply to my homework question? Naw, probably just other peoples'. Those guys homework questions are awful; they don't help me at all. Good job, site, disallowing those homework questions so folks can focus on mine!
Here's my proposed alternative:
If you wish to ask a homework question, be sure to include your work and highlight your conceptual confusioninclude your work and highlight your conceptual confusion
A slightly better one (credit Shog9):
Include your work and highlight the concept confusing youInclude your work and highlight the concept confusing you when asking homework-related questions.
What say?