fix the comments for check_for_winner #979

Job	Run time
tutorial-test (3.8, Tianshou)	3m 40s
tutorial-test (3.8, CustomEnvironment)	39s
tutorial-test (3.8, CleanRL)	5m 27s
tutorial-test (3.8, SB3/kaz)	5m 29s
tutorial-test (3.8, SB3/waterworld)	8m 56s
tutorial-test (3.8, SB3/connect_four)	2m 48s
tutorial-test (3.8, SB3/test)	7m 27s
tutorial-test (3.8, AgileRL)	20m 14s
tutorial-test (3.9, Tianshou)	4m 6s
tutorial-test (3.9, CustomEnvironment)	1m 4s
tutorial-test (3.9, CleanRL)	6m 11s
tutorial-test (3.9, SB3/kaz)	4m 31s
tutorial-test (3.9, SB3/waterworld)	8m 12s
tutorial-test (3.9, SB3/connect_four)	2m 51s
tutorial-test (3.9, SB3/test)	2m 19s
tutorial-test (3.9, AgileRL)	13m 43s
tutorial-test (3.10, Tianshou)	3m 16s
tutorial-test (3.10, CustomEnvironment)	26s
tutorial-test (3.10, CleanRL)	7m 2s
tutorial-test (3.10, SB3/kaz)	5m 2s
tutorial-test (3.10, SB3/waterworld)	8m 24s
tutorial-test (3.10, SB3/connect_four)	2m 50s
tutorial-test (3.10, SB3/test)	2m 11s
tutorial-test (3.10, AgileRL)	14m 6s
tutorial-test (3.11, Tianshou)	3m 23s
tutorial-test (3.11, CustomEnvironment)	30s
tutorial-test (3.11, CleanRL)	8m 51s
tutorial-test (3.11, SB3/kaz)	4m 57s
tutorial-test (3.11, SB3/waterworld)	8m 8s
tutorial-test (3.11, SB3/connect_four)	3m 4s
tutorial-test (3.11, SB3/test)	2m 3s
tutorial-test (3.11, AgileRL)	14m 58s
	3h 6m 48s

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