diff --git a/README.md b/README.md
index ad2e8b0..f7430d9 100644
--- a/README.md
+++ b/README.md
@@ -5,8 +5,6 @@ cnv2db
  A simple Seabird cnv file parser that stores the data
  into a mysql db 
 
- For the sql structure, see below, at the end of the code 
-
  Requisites: python-mysqldb library
 
  version 0.4.0
@@ -16,3 +14,20 @@ cnv2db
  Author:
  Rocco De Marco - November 2012
  email: "rocco_demarco(a)an_ismar_cnr_it" | sed s/"_"/\./g | sed s/"(a)"/"@"/g
+
+ File included:
+
+    cnv2db_class: parser class
+    cnv2db: main program
+    tables.sql: table definition sql
+    db.py_entry.txt: web2py db model (if you plan to use with web2py framework)
+
+
+ Prerequisite:
+  1) Create a mysql database
+  2) update mysql access information inside cnv2db file
+
+ Usage:
+  
+    python cnv2db your_cnv_file
+
diff --git a/cnv2db.py b/cnv2db.py
index 957d78b..c12f159 100755
--- a/cnv2db.py
+++ b/cnv2db.py
@@ -9,7 +9,7 @@
 # For the sql structure, see below, at the end of the code 
 #
 # Requisites: python-mysqldb library
-# version 0.4
+# version 0.4.1
 # License: CC-BY-NC-SA v. 3.0
 # Author:
 # Rocco De Marco (rocco_demarco(a)an_ismar_cnr_it) -> s/_/\./g
@@ -17,12 +17,7 @@
 #
 ###############################################################
 ''' CHANGELOG 
-v. 0.4.0
-1) Rewritten in class style
-
-v. 0.3.2: 
-1) choosed "NMEA UTC (Time)" as date/time parameter instead than start_date
-
+   see cnv2db_class.py
 '''
 
 
@@ -33,9 +28,9 @@
 
 # Database mysql access
 host = "localhost"
-user = "ctd"
-passwd = "DPYbLSE8eW8pEHFx"
-db = "acustica"
+user = "username"
+passwd = "password"
+db = "database"
 
 # Dummy function called in case of error
 def die(message):
diff --git a/cnv2db_class.py b/cnv2db_class.py
index 00150eb..09d2b38 100755
--- a/cnv2db_class.py
+++ b/cnv2db_class.py
@@ -9,7 +9,7 @@
 # For the sql structure, see below, at the end of the code 
 #
 # Requisites: python-mysqldb library
-# version 0.4
+# version 0.4.1
 # License: CC-BY-NC-SA v. 3.0
 # Author:
 # Rocco De Marco (rocco_demarco(a)an_ismar_cnr_it) -> s/_/\./g
@@ -17,6 +17,9 @@
 #
 ###############################################################
 ''' CHANGELOG 
+v. 0.4.1
+1) Splitted source in two files
+
 v. 0.4.0
 1) Rewritten in class style