merging PR #519: Update comment in chaos_wrapper.sh after changes of #418
merging PR #519: Update comment in chaos_wrapper.sh after changes of #418

https://github.com/chaosbot/Chaos/pull/519: Update comment in chaos_wrapper.sh after changes of #418

Description:
#418 changed the time threshold for rolling back changes. However, the corresponding comment was not updated to reflect this.

This PR adjusts the comment of chaos_wrapper.sh to fix this.

:white_check_mark: PR passed with a vote of 7 for and 0 against, a weighted total of 7.0 and a threshold of 6.5, and a current meritocracy review.

Vote record:
@PlasmaPower: 1
@andrewda: 1
@justync7: 1
@mark-i-m: 1
@rhengles: 1
@rlee287: 1
@rudehn: 1
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