Shiva Purana
स तस्यै च वरं प्रादात्प्रार्थितं सुमहातपाः ॥ ब्रह्मचर्य्यादिनियमं प्राह चैव शतं समाः ॥ ६ ॥
He granted her the boon of her choice. The sage of great penance advised her celibacy and other restraints for a hundred years.
english translation
sa tasyai ca varaM prAdAtprArthitaM sumahAtapAH ॥ brahmacaryyAdiniyamaM prAha caiva zataM samAH ॥ 6 ॥
hk transliteration by Sanscript