Correction of letter Alef part one

GOD in 68:1 has pointed that the Letter Nun is connected with Pen and we know that the Pen is for writting and we get good result that the Nun are protector and corrector of Quran text. Now please see the verse 13:4 that How Nun correct this verse very good. In general Quran The pattern "SenWan" or "صنوان" has been written by Alef that isn't correct. True dictation of the word is "صنون".

more info: Alef 1