diff --git a/iss_change_plot.m b/iss_change_plot.m
index 1c1e7271..15e44f7a 100644
--- a/iss_change_plot.m
+++ b/iss_change_plot.m
@@ -1,4 +1,6 @@
 function iss_change_plot(o,Method,GeneType,GenesToShow,UseSpots)
+% iss_change_plot(o,Method,GeneType,GenesToShow,UseSpots)
+%
 %Given issPlot3DObject, this function lets you change the details
 %of the plot without closing the figure e.g. you can change
 %o.CombiQualThresh or issPlot3DObject.ZThick to change the threshold value and the number