Clarify disk edge_width definition
@@ -591,8 +591,8 @@ class DiskSpatialModel(SpatialModel):
Rotation angle :math:`\phi`: of the major semiaxis.
Increases counter-clockwise from the North direction.
edge_width : float
- Width of the edge. The width is defined as the range within the
- smooth edge of the model drops from 95% to 5% of its amplitude.
+ Width of the edge. The width is defined as the range within which
+ the smooth edge of the model drops from 95% to 5% of its amplitude.
It is given as fraction of r_0.
frame : {"icrs", "galactic"}
Center position coordinate frame
