# Description

This is a small change to the Walkthrough documentation to make it
explicit to change the observation space dimension in the second half of
the Exploring the RL problem tutorial.

Fixes #2787

## Type of change

- This change is exclusively documentation

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Signed-off-by: Brian Bingham <briansbingham@gmail.com>
Signed-off-by: Michael Gussert <michael@gussert.com>
Co-authored-by: Michael Gussert <michael@gussert.com>