Surah An-Najm 53:2
مَا ضَلَّ صَاحِبُكُمْ وَمَا غَوَىٰ
Your companion [i.e., Muḥammad] has not strayed, nor has he erred,
Translation: Saheeh International
Tafsir
your companion Muhammad (s) may God bless him and grant him peace has neither gone astray from the path of guidance nor has he erred nor has he engaged in error al-ghayy is ignorance that results from a false belief;
Excerpt from Tafsir al-Jalalayn, commentary on 53:2, via Quran.com. The reader has the full commentary and 9 more tafsirs.