Index: trunk/psModules/src/imcombine/pmReadoutCombine.c
===================================================================
--- trunk/psModules/src/imcombine/pmReadoutCombine.c	(revision 10478)
+++ trunk/psModules/src/imcombine/pmReadoutCombine.c	(revision 10480)
@@ -87,5 +87,6 @@
         if (first) {
             psString comment = NULL;    // Comment to add to header
-            psStringAppend(&comment, "Combination clipping: %d iter, %f rej", params->iter, params->rej);
+            psStringAppend(&comment, "Combination clipping: %d iterations, rejection at %f sigma",
+                           params->iter, params->rej);
             psMetadataAddStr(hdu->header, PS_LIST_TAIL, "HISTORY", PS_META_DUPLICATE_OK, comment, "");
             psFree(comment);