--- a/scripts/plot/ezsurf.m
+++ b/scripts/plot/ezsurf.m
@@ -26,9 +26,9 @@
 ## @deftypefnx {Function File} {@var{h} =} ezsurf (@dots{})
 ##
 ## Plots the surface defined by a function.  @var{f} is a string, inline
-## function or function handle with two arguments defining the function.  By 
+## function or function handle with two arguments defining the function.  By
 ## default the plot is over the domain @code{-2*pi < @var{x} < 2*pi} and
-## @code{-2*pi < @var{y} < 2*pi} with 60 points in each dimension. 
+## @code{-2*pi < @var{y} < 2*pi} with 60 points in each dimension.
 ##
 ## If @var{dom} is a two element vector, it represents the minimum and maximum
 ## value of both @var{x} and @var{y}.  If @var{dom} is a four element vector,
@@ -37,14 +37,14 @@
 ##
 ## @var{n} is a scalar defining the number of points to use in each dimension.
 ##
-## If three functions are passed, then plot the parametrically defined 
-## function @code{[@var{fx} (@var{s}, @var{t}), @var{fy} (@var{s}, @var{t}), 
-## @var{fz} (@var{s}, @var{t})]}. 
+## If three functions are passed, then plot the parametrically defined
+## function @code{[@var{fx} (@var{s}, @var{t}), @var{fy} (@var{s}, @var{t}),
+## @var{fz} (@var{s}, @var{t})]}.
 ##
 ## If the argument 'circ' is given, then the function is plotted over a disk
 ## centered on the middle of the domain @var{dom}.
 ##
-## The optional return value @var{h} provides a list of handles to the 
+## The optional return value @var{h} provides a list of handles to the
 ## the parts of the vector field (body, arrow and marker).
 ##
 ## @example