minor...

modules/util/lon_lat_grid.py

@@ -15,7 +15,7 @@ class MyGenericException(Exception):
 
 
 # For nearest neighbor/interpolation of a function whose domain is a geostationary satellite fixed grid.
-# This is a utility wrapper for sklearn.neighbors.BallTree
+# This is a utility wrapper for sklearn.neighbors.BallTree adapted for 2D manifold.
 class LonLatGrid:
     # grd_lons, grd_lats: the longitude, latitude of each grid point (must be 2D grids), must have same shape
     # Incoming longitude must be in range: 0 - 360 degrees