Changing dates on glow

f..🤍 • Married💍 A♥️ Sahara💜September 2010 Zakariya 💙August 2020 TTC#baby 3 …

So I’m actually 6 weeks and 6 days today from LMP but glow says 6 weeks and 4 days anyone know how I can change that ? It done that even in my last pregnancy