Index: trunk/psphot/src/psphotVersion.c
===================================================================
--- trunk/psphot/src/psphotVersion.c	(revision 23229)
+++ trunk/psphot/src/psphotVersion.c	(revision 23289)
@@ -71,8 +71,9 @@
     psString source = psphotSource();   // Software source
 
-    psMetadataAddStr(header, PS_LIST_TAIL, "IPP.PSPHOT.VERSION", PS_META_REPLACE,
-                     "Software version", version);
-    psMetadataAddStr(header, PS_LIST_TAIL, "IPP.PSPHOT.SOURCE", PS_META_REPLACE,
-                     "S/W source", source);
+    psStringPrepend(&version, "psphot version: ");
+    psStringPrepend(&source, "psphot source: ");
+
+    psMetadataAddStr(header, PS_LIST_TAIL, "HISTORY", PS_META_DUPLICATE_OK, NULL, version);
+    psMetadataAddStr(header, PS_LIST_TAIL, "HISTORY", PS_META_DUPLICATE_OK, NULL, source);
 
     psFree(version);