[UPDATE]Typo in Uint3 "Train our Deep Q-Learning Agent to Play Space Invaders " Section

[CDQ516]

The explanation of the given example dqn.yml file in Unit3 Train our Deep Q-Learning Agent to Play Space Invaders Section has a typo in the 3rd item.

In line 6 of dqn.yml, it writes n_timesteps: !!float 1e6. But in the third item of the explanation it writes, "We train it for 10 million n_timesteps" where 10 million equals 1e7.