Complex sentence: However,\\ max_Q (s --, a) corresponds to the utility of a state s--and when a state is terminal, its utility is simply the reward received in that state (i.e., the last reward of an episode).
Split into simpler sentences: However,\\ max_Q (s --, a) corresponds to the utility of a state s --. When a state is terminal, its utility is simply the reward received in that state (i.e., the last reward of an episode).