SB 10.42.6

prasanno bhagavān kubjāṁ
 trivakrāṁ rucirānanām
ṛjvīṁ kartuṁ manaś cakre
 darśayan darśane phalam
Synonyms: 
prasannaḥ — satisfied; bhagavān — the Supreme Lord; kubjām — the hunchback; trivakrā — Trivakrā; rucira — attractive; ānanām — whose face; ṛjvīm — straight; kartum — to make; manaḥ cakre — He decided; darśayan — showing; darśane — of seeing Him; phalam — the result.
Translation: 
Lord Kṛṣṇa was pleased with Trivakrā, so He decided to straighten that hunchbacked girl with the lovely face just to demonstrate the result of seeing Him.