Fix comment about sqrt. Still just testing CI stuff.
@ -206,7 +206,7 @@ pub trait Field<E: Engine>: Sized +
pub trait SqrtField<E: Engine>: Field<E>
{
/// Returns the square root of the field element, if it is
/// Returns a square root of the field element, if it is
/// quadratic residue.
fn sqrt(&self, engine: &E) -> Option<Self>;
}