Valmiki Ramayana Bala Kanda Sarga 1 Shloka 46
Original Shlokaतेन तत्रैव वसता जनस्थाननिवासिनी । विरूपिता शूर्पणखा राक्षसी कामरूपिणी ।।1.1.46।।
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तत्रैव वसता while living in that place itself, तेन by Rama, जनस्थाननिवासिनी resident of Janasthana area (of Dandakaranya), कामरूपिणी capable of assuming any form at will, राक्षसी शूर्पणखा female demon Surpanakha, विरूपिता was deformed.
During his stay there a demon called Surpanakha living in Janasthana (resting place for the army of Ravana in Dandakaranya) and capable of assuming any form at will was rendered deformed by Lakshmana.