[RLlib] Enhance comment in example script multi_agent_custom_policy. (#16740)
[RLlib] Enhance comment in example script multi_agent_custom_policy. (#16740)


pcmoritz/ray-1,ray-project/ray,pcmoritz/ray-1,pcmoritz/ray-1,ray-project/ray,pcmoritz/ray-1,pcmoritz/ray-1,ray-project/ray,ray-project/ray,ray-project/ray,pcmoritz/ray-1,pcmoritz/ray-1,ray-project/ray,ray-project/ray,pcmoritz/ray-1,ray-project/ray