Index: trunk/psModules/src/imcombine/pmSubtractionKernels.h
===================================================================
--- trunk/psModules/src/imcombine/pmSubtractionKernels.h	(revision 14521)
+++ trunk/psModules/src/imcombine/pmSubtractionKernels.h	(revision 14525)
@@ -18,4 +18,5 @@
 typedef struct {
     pmSubtractionKernelsType type;      ///< Type of kernels --- allowing the use of multiple kernels
+    psString description;               ///< Description of the kernel parameters
     long num;                           ///< Number of kernel components (not including the spatial ones)
     psVector *u, *v;                    ///< Offset (for POIS) or polynomial order (for ISIS)