Pale pink flower

Pale pink flower

Observation - Pale pink flower. Description: Pale pink flowers, growing in clusters next to footpath, on ancient meadow on river flood plain. I can't find it in my books so any help with identification would be gratefully received.

Pale pink flowers, growing in clusters next to footpath, on ancient meadow on river flood plain. I can't find it in my books so any help with identification would be gratefully received.