fix prompt (opensearch-project#133) (opensearch-project#134)

(cherry picked from commit e278d8d)

Signed-off-by: xinyual <[email protected]>
Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Signed-off-by: yuye-aws <[email protected]>