Make usage info slightly more clear.
Make usage info slightly more clear.

Ignore-this: 52c7cdd1a1b964178e5f582d30f5b3cd

darcs-hash:20081202050443-26c35-5cbc997e40cb3e0b55acfadb38365e0563b135a5

jimcrayne/jhc,jimcrayne/jhc,jimcrayne/jhc,jimcrayne/jhc