Index: trunk/ppSub/src/ppSubArguments.c
===================================================================
--- trunk/ppSub/src/ppSubArguments.c	(revision 15304)
+++ trunk/ppSub/src/ppSubArguments.c	(revision 15431)
@@ -188,5 +188,5 @@
     psMetadataAddS32(arguments, PS_LIST_TAIL, "-size", 0, "Kernel half-size (pixels)", 0);
     psMetadataAddS32(arguments, PS_LIST_TAIL, "-order", 0, "Spatial polynomial order", -1);
-    psMetadataAddStr(arguments, PS_LIST_TAIL, "-type", 0, "Kernel type (ISIS|POIS|SPAM|FRIES)", NULL);
+    psMetadataAddStr(arguments, PS_LIST_TAIL, "-type", 0, "Kernel type (ISIS|POIS|SPAM|FRIES|GUNK|RINGS)", NULL);
     psMetadataAddStr(arguments, PS_LIST_TAIL, "-isis-widths", 0, "ISIS Gaussian FWHMs (comma-separated)", NULL);
     psMetadataAddStr(arguments, PS_LIST_TAIL, "-isis-orders", 0, "ISIS polynomial orders (comma-separated)", NULL);