diff --git a/Fonderie/interpolator.c b/Fonderie/interpolator.c
index 9ad0eff8..36aaff62 100644
--- a/Fonderie/interpolator.c
+++ b/Fonderie/interpolator.c
@@ -73,7 +73,7 @@ for (idx=0; idx<nombre; idx++) {
 				foo, filename);
 		return -1;
 		}
-	if (verbosity)
+	if (verbosity > 1)
 		fprintf(stderr, "%5d   %s   %f\n", idx, filename, metrique);
 	idxvalues[idx].idx = idx;
 	idxvalues[idx].value = metrique;
@@ -84,7 +84,7 @@ if (method) {
 	qsort(idxvalues, nombre, sizeof(IdxValue), cmp_idxvalues);
 	}
 
-if (verbosity) {
+if (verbosity > 1) {
 	for (idx=0; idx<nombre; idx++) {
 		printf("%5d   %9.6f  %5d\n", idx,
 				idxvalues[idx].value, idxvalues[idx].idx);
@@ -151,7 +151,7 @@ for (idx=0; idx<globbuf.gl_pathc; idx++) {
 	cptr = globbuf.gl_pathv[curpix];	/* aliasing filename */
 
 	/* read the next file in B */
-	fprintf(stderr, "%5d / %5ld : loading %s\r", idx,
+	fprintf(stderr, "%5d / %5ld : load %s\r", idx,
 				globbuf.gl_pathc, cptr);
 	foo = fimg_load_from_dump(cptr, &B);
 	if (foo) {
@@ -208,11 +208,17 @@ return 0;
 /* -------------------------------------------------------------- */
 void help(void)
 {
-puts("\tINTERPOLATOR\noptions:");
+puts("\tINTERPOLATOR");
+puts("usage:\n\tinterpolator [options] <inglob> <outdir> <nbsteep>");
 
 /*	may be we can make options incoherent, like 
  *	the options of 'fonderie' software ?
  */
+puts("options:");
+puts("\t-S nn\tmysterious sort");
+puts("\t-v\tincrease verbosity");
+puts("\t-w nn\tinput effect");
+puts("\t-x nn\toutput effect");
 
 exit(0);
 }