diff --git a/VERSION b/VERSION
index a918a2a..faef31a 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-0.6.0
+0.7.0
diff --git a/src/ecopcr.c b/src/ecopcr.c
index 3dee6f8..5c63ca6 100644
--- a/src/ecopcr.c
+++ b/src/ecopcr.c
@@ -6,7 +6,7 @@
 #include <getopt.h>
 
 
-#define VERSION "0.6.0"
+#define VERSION "0.7.0"
 
 
 /* ----------------------------------------------- */
@@ -26,7 +26,7 @@ static void PrintHelp()
         PP      "-a    : Salt concentration in M for Tm computation (default 0.05 M)\n\n");
         PP      "-c    : Consider that the database sequences are [c]ircular\n\n");
         PP      "-d    : [D]atabase : to match the expected format, the database\n");
-        PP      "        has to be formated first by the ecoPCRFormat.py program located.\n");
+        PP      "        has to be formatted first by the ecoPCRFormat.py program located.\n");
         PP      "        in the tools directory.\n");
         PP      "        ecoPCRFormat.py creates three file types :\n");
         PP      "            .sdx : contains the sequences\n");
diff --git a/src/global.mk b/src/global.mk
index 6b1f018..d407c23 100644
--- a/src/global.mk
+++ b/src/global.mk
@@ -3,7 +3,7 @@ LIBPATH= -Llibapat -LlibecoPCR -Llibthermo
 MAKEDEPEND = gcc -D$(MACHINE) -M $(CPPFLAGS) -o $*.d $<
 
 CC=gcc
-CFLAGS= -W -Wall -O2 -g
+CFLAGS= -O3 -w
 
 default: all