diff --git a/admin.php b/admin.php
deleted file mode 100644
index f33daf3..0000000
--- a/admin.php
+++ /dev/null
@@ -1,34 +0,0 @@
-updateAllStat();
-
-echo "Admin script executed: OK!";
-*/
-?>
diff --git a/upgrade.php b/upgrade.php
new file mode 100644
index 0000000..7eee254
--- /dev/null
+++ b/upgrade.php
@@ -0,0 +1,62 @@
+
+
+
Upgrade
+From Scuttle 0.7.2 to SemanticScuttle 0.87
+
+ - 1/ Make a backup of your database
+ - 2/ Create the missing tables
+
+ - Open "tables.sql" (into your SemanticScuttle directory) with a text editor
+ - Copy to your database the last three tables : sc_tags2tags, sc_tagsstats, sc_commondescription
+
+
+ - 3/ Complete the upgrade by clicking on the following link : upgrade
+
+updateAllStat();
+ echo "Upgrade script executed: OK!
";
+ echo "For security reason, don't forget to uncomment back the first lines into \"upgrade.php\"
";
+ echo 'In case of problem during upgrade, please use our sourceforge page to inform us. Thank you.';
+}
+?>