Rectify (verb) اصلاح کرنا، تصیح کرنا، درست کرنا

put right; correct.
Example: “mistakes made now cannot be rectified later”
Atrocity (noun) بے رحمی، سفاکی، انتہائی حماقت

an extremely wicked or cruel act, typically one involving physical violence or injury.
Example: “a textbook which detailed war atrocities”