Valmiki Ramayana Bala Kanda Sarga 26 Shloka 35

तदा then, तस्मिन् अहनि एव on that day itself, तत् वनं च that forest also, मुक्तशापम् freed from the curse, चैत्ररथम् known as Chitraratha, वनम् forest, यथा the samemanner, रमणीयम् charming, विबभ्राज shone.

Freed from the curse from that day that forest looked charming and shone like Chitraratha Kubera's (garden).