diff --git a/defs.h b/defs.h
index faa6244..6f3578f 100644
--- a/defs.h
+++ b/defs.h
@@ -5,7 +5,7 @@
 
 //#define DEBUG
 
-#define CENTRIFUGER_VERSION "1.0.4-r150"
+#define CENTRIFUGER_VERSION "1.0.4-r152"
 
 extern char nucToNum[26] ; 
 extern char numToNuc[26] ;
diff --git a/indices/silva-download.pl b/indices/silva-download.pl
index d62915f..20ecccf 100644
--- a/indices/silva-download.pl
+++ b/indices/silva-download.pl
@@ -3,7 +3,7 @@
 use strict ;
 use warnings ;
 
-my $help = "usage: download-silva.pl [OPTIONS]:\n".
+my $help = "usage: silva-download.pl [OPTIONS]:\n".
   "\t-v STRING: SILVA_version [138.1]\n".
   "\t-o STRING: output_folder [./]\n".
   "\t--subunit STRING: use SSU or LSU [SSU]\n".