Index: /issm/trunk/src/m/classes/public/plot/plotdoc.m
===================================================================
--- /issm/trunk/src/m/classes/public/plot/plotdoc.m	(revision 2252)
+++ /issm/trunk/src/m/classes/public/plot/plotdoc.m	(revision 2253)
@@ -101,4 +101,5 @@
 disp('       ''scaleruler'': add a scale ruler, ''on'' for default value or [x0 y0 length width numberofticks] where (x0,y0) are the coordinates of the lower left corner');
 disp('       ''wrapping'': repeat ''n'' times the colormap (''n'' must be an integer)');
+disp('       ''unit'': by default, in m, otherwise, ''km'' is available');
 disp('       ''histnorm_data'': data for histnorm plot.');
 disp('                  {dresp1   ,dresp2  ,hmin,hmax,hnint} or {samp,desc,mu,sigma,hmin,hmax,hnint}');