Following is a back-translations of Psalm 141:5 in Kutu:
“It is better a righteous man to rebuke me with punishment,
that matter is a kindness,
let him he rebuke me,
that matter is oil on my head,
my head will not reject it.
But my prayer always is against the evil deeds of evil people.”
(Source: Pioneer Bible Translators, project-specific translation notes in Paratext)