Prayer (Kitab Al-Salat)

Dawud :: Book 2 : Hadith 665

Narrated An-Nu'man ibn Bashir:

The Apostle of Allah (peace_be_upon_him) used to straighten our rows when we stood up to pray, and when we were straight, he said: Allah is most great (takbir).

Source materials are from the University of Southern California MSA site
Hadith eBooks converted from Imaan Star