more overview.html info

src/overview.html

diff --git a/src/overview.html b/src/overview.html
index bd78e12..122ff4d 100644
--- a/src/overview.html
+++ b/src/overview.html
@@ -9,7 +9,8 @@
   <li>GSA 7.2 or higher
   <li>Java JRE 1.7 or higher installed on computer that runs adaptor
   <li>Database Adaptor JAR executable
-  <li>Credentials for Database server to be read
+  <li>Driver jar for your database (eg. ojdbc6 or sqljdbc4)
+  <li>Credentials for your database
 </ul>
 
 <h4>Configure GSA for Adaptor</h4>