--- a/scripts/plot/ndgrid.m
+++ b/scripts/plot/ndgrid.m
@@ -19,14 +19,20 @@
 ## -*- texinfo -*-
 ## @deftypefn  {Function File} {[@var{y1}, @var{y2}, @dots{}, @var{y}n] =} ndgrid (@var{x1}, @var{x2}, @dots{}, @var{x}n)
 ## @deftypefnx {Function File} {[@var{y1}, @var{y2}, @dots{}, @var{y}n] =} ndgrid (@var{x})
-## Given n vectors @var{x1}, @dots{} @var{x}n, @code{ndgrid} returns
+## Given n vectors @var{x1}, @dots{}, @var{x}n, @code{ndgrid} returns
 ## n arrays of dimension n.  The elements of the i-th output argument
 ## contains the elements of the vector @var{x}i repeated over all
 ## dimensions different from the i-th dimension.  Calling ndgrid with
-## only one input argument @var{x} is equivalent of calling ndgrid with
+## only one input argument @var{x} is equivalent to calling ndgrid with
 ## all n input arguments equal to @var{x}:
 ##
 ## [@var{y1}, @var{y2}, @dots{}, @var{y}n] = ndgrid (@var{x}, @dots{}, @var{x})
+##
+## Programming Note: @code{ndgrid} is very similar to the function
+## @code{meshgrid} except that the first two dimensions are transposed in
+## comparison to @code{meshgrid}.  Some core functions expect @code{meshgrid}
+## input and others expect @code{ndgrid} input.  Check the documentation for
+## the function in question to determine the proper input format.
 ## @seealso{meshgrid}
 ## @end deftypefn