Fixed a bug (Reactor #231) where Sessions Library database table example SQL did not contain an index on last_activity. See <a href="installation/upgrade_203.html">Upgrade Notes</a>

Fixed a bug (Reactor #229) where the Sessions Library example SQL in the documentation contained incorrect SQL.
diff --git a/user_guide/installation/upgrade_203.html b/user_guide/installation/upgrade_203.html
index 38cfb72..d7c0fae 100644
--- a/user_guide/installation/upgrade_203.html
+++ b/user_guide/installation/upgrade_203.html
@@ -94,6 +94,16 @@
 
 <p>Which should provide for nominal performance gains if not autoloading packages.</p>
 
+<h2>Update Sessions Database Tables</h2>
+
+<p>If you are using database sessions with the CI Session Library, please update your <samp>ci_sessions</samp> database table as follows:</p>
+
+<code>	
+	CREATE INDEX last_activity_idx ON ci_sessions(last_activity);
+</code>	
+	
+	
+	
 
 </div>
 <!-- END CONTENT -->