battery charge circuit

Hi, I recently came across this article on how to modify MCP73831 circuit to make load sharing possible with a simple P-channel MOSFET. I want to clarify the direction of the P-channel MOSFET placed in the below circuitry. Question: Isn't Q1's drain and source connections supposed to be...

Problem: I have a 10s 36V li-ion battery pack powering my load (resistor used as example). When the charger is connected I would like the load to be cutoff as well as charge the battery. In my current set up I have the load being cut off when the charger is connected through the pmos but the...