(Maryam) 19 : 41
وَاذْكُرْ فِي الْكِتَابِ إِبْرَاهِيمَ ۚ إِنَّهُ كَانَ صِدِّيقًا نَبِيًّا
And you remind Ibrahim in the Book; indeed, he was a Truthful Prophet.
Truthful means those who testify the Truth Adhikr. See explanation 1: 6; 4: 69-70 and 16: 120.