Fixes for teleop documentation (#209)

# Description

Minor bug fixes for teleop documentation

## Type of change

- Bug fix (non-breaking change which fixes an issue)

## Checklist

- [x] I have run the [`pre-commit` checks](https://pre-commit.com/) with
`./isaaclab.sh --format`
- [x] I have made corresponding changes to the documentation
- [x] My changes generate no new warnings
- [ ] I have added tests that prove my fix is effective or that my
feature works
- [ ] I have updated the changelog and the corresponding version in the
extension's `config/extension.toml` file
- [ ] I have added my name to the `CONTRIBUTORS.md` or my name already
exists there

docs/source/overview/teleop_imitation.rst

@@ -53,7 +53,7 @@ For SpaceMouse, these are as follows:
 .. code:: text
 
    SpaceMouse Controller for SE(3): Se3SpaceMouse
-      Reset all commands: R
+      Reset all commands: Right click
       Toggle gripper (open/close): Click the left button on the SpaceMouse
       Move arm along x/y-axis: Tilt the SpaceMouse
       Move arm along z-axis: Push or pull the SpaceMouse
@@ -124,6 +124,8 @@ learning from demonstrations (LfD). For this, we provide scripts to collect data
 
    Inspect the output of generated data (filename: ``generated_dataset_small.hdf5``), and if satisfactory, generate the full dataset:
 
+   .. code:: bash
+
       ./isaaclab.sh -p scripts/imitation_learning/isaaclab_mimic/generate_dataset.py --input_file ./datasets/annotated_dataset.hdf5 --output_file ./datasets/generated_dataset.hdf5 --num_envs 10 --generation_num_trials 1000 --headless
 
    The number of demonstrations can be increased or decreased, 1000 demonstrations have been shown to provide good training results for this task.