FIx typo in docs #924

Job	Run time
tutorial-test (3.8, Tianshou)	4m 18s
tutorial-test (3.8, CustomEnvironment)	46s
tutorial-test (3.8, CleanRL)	6m 44s
tutorial-test (3.8, SB3/kaz)	6m 16s
tutorial-test (3.8, SB3/waterworld)	12m 32s
tutorial-test (3.8, SB3/connect_four)	4m 28s
tutorial-test (3.8, SB3/test)	3m 31s
tutorial-test (3.8, AgileRL)	4m 16s
tutorial-test (3.9, Tianshou)	5m 40s
tutorial-test (3.9, CustomEnvironment)	42s
tutorial-test (3.9, CleanRL)	7m 28s
tutorial-test (3.9, SB3/kaz)	5m 28s
tutorial-test (3.9, SB3/waterworld)	9m 45s
tutorial-test (3.9, SB3/connect_four)	5m 6s
tutorial-test (3.9, SB3/test)	3m 39s
tutorial-test (3.9, AgileRL)	4m 54s
tutorial-test (3.10, Tianshou)	5m 4s
tutorial-test (3.10, CustomEnvironment)	34s
tutorial-test (3.10, CleanRL)	9m 14s
tutorial-test (3.10, SB3/kaz)	6m 23s
tutorial-test (3.10, SB3/waterworld)	9m 57s
tutorial-test (3.10, SB3/connect_four)	4m 59s
tutorial-test (3.10, SB3/test)	5m 12s
tutorial-test (3.10, AgileRL)	5m 56s
tutorial-test (3.11, Tianshou)	4m 57s
tutorial-test (3.11, CustomEnvironment)	35s
tutorial-test (3.11, CleanRL)	10m 24s
tutorial-test (3.11, SB3/kaz)	6m 2s
tutorial-test (3.11, SB3/waterworld)	9m 59s
tutorial-test (3.11, SB3/connect_four)	4m 1s
tutorial-test (3.11, SB3/test)	3m 35s
tutorial-test (3.11, AgileRL)	7m 10s
	2h 59m 35s

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