changed upgrade <title> to 1.6.0
diff --git a/user_guide/installation/upgrade_160.html b/user_guide/installation/upgrade_160.html
index 940ff18..9cddf6b 100644
--- a/user_guide/installation/upgrade_160.html
+++ b/user_guide/installation/upgrade_160.html
@@ -2,7 +2,7 @@
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
-<title>CodeIgniter User Guide : Upgrading from 1.5.3 to 1.5.4</title>
+<title>CodeIgniter User Guide : Upgrading from 1.5.4 to 1.6.0</title>
<style type='text/css' media='all'>@import url('../userguide.css');</style>
<link rel='stylesheet' type='text/css' media='all' href='../userguide.css' />