Shiva Purana
श्रीमत्पंचाक्षरीम्विद्यामष्टोत्तरसहस्रकम्॥ संजप्य पुरतः स्थित्वा क्षमापय्य महेश्वरम् ॥ १३॥
The blessed five-letter knowledge is eighty-eight thousand. Having chanted the mantra he stood before him and forgave Lord Maheshwara.
english translation
zrImatpaMcAkSarImvidyAmaSTottarasahasrakam॥ saMjapya purataH sthitvA kSamApayya mahezvaram ॥ 13॥
hk transliteration by Sanscript