diff --git a/graphics/fanplotFS.m b/graphics/fanplotFS.m
index 38039365d..092e0493d 100644
--- a/graphics/fanplotFS.m
+++ b/graphics/fanplotFS.m
@@ -60,7 +60,7 @@
 %                   where to put labels for the trajectories of the
 %                   quantities which are monitored. The default is to put
 %                   the labels in the final steps of the monitoring
-%                   procedure. fground=[] means no label.
+%                   procedure. flabstep=[] means no label.
 %                   Example - 'flabstep',[20 30 120]
 %                   Data Types - double
 %