(HTCONDOR-809)  Add small explanatory comments in a few places.
(HTCONDOR-809)  Add small explanatory comments in a few places.

htcondor/htcondor,htcondor/htcondor,htcondor/htcondor,htcondor/htcondor,htcondor/htcondor,htcondor/htcondor,htcondor/htcondor,htcondor/htcondor