diff --git a/gymnasium/envs/mujoco/hopper_v4.py b/gymnasium/envs/mujoco/hopper_v4.py index 1909cd4cf..895acb329 100644 --- a/gymnasium/envs/mujoco/hopper_v4.py +++ b/gymnasium/envs/mujoco/hopper_v4.py @@ -34,7 +34,7 @@ class HopperEnv(MujocoEnv, utils.EzPickle): |-----|------------------------------------|-------------|-------------|----------------------------------|-------|--------------| | 0 | Torque applied on the thigh rotor | -1 | 1 | thigh_joint | hinge | torque (N m) | | 1 | Torque applied on the leg rotor | -1 | 1 | leg_joint | hinge | torque (N m) | - | 3 | Torque applied on the foot rotor | -1 | 1 | foot_joint | hinge | torque (N m) | + | 2 | Torque applied on the foot rotor | -1 | 1 | foot_joint | hinge | torque (N m) | ## Observation Space