Index: trunk/psModules/src/imcombine/pmSubtractionMatch.h
===================================================================
--- trunk/psModules/src/imcombine/pmSubtractionMatch.h	(revision 15443)
+++ trunk/psModules/src/imcombine/pmSubtractionMatch.h	(revision 15756)
@@ -10,5 +10,6 @@
 
 /// Match two images
-bool pmSubtractionMatch(pmReadout *convolved, ///< Output convolved data
+bool pmSubtractionMatch(pmReadout *conv1, ///< Output convolved data for image 1
+                        pmReadout *conv2, ///< Output convolved data for image 2
                         const pmReadout *ro1, ///< Image 1
                         const pmReadout *ro2, ///< Image 2