Fix small typo in output for thresholds

[danedf]

Fixes a small typo observed when checking job logs for low node utilization

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[danedf]

@k8s-ci-robot I have submitted my CLA signature.

[aveshagarwal]

/lgtm
/approve

thanks @danedf

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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: aveshagarwal, danedf

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