typos
diff --git a/user_guide/database/active_record.html b/user_guide/database/active_record.html
index 478400f..0178146 100644
--- a/user_guide/database/active_record.html
+++ b/user_guide/database/active_record.html
@@ -730,14 +730,14 @@
// Results in:<br />
/ SELECT `field1` FROM (`tablename`)<br />
<br />
-this->db->select('field2');<br />
+$this->db->select('field2');<br />
$this->db->get('tablename');<br />
// Results in:<br />
// SELECT `field1`, `field2` FROM (`tablename`)<br />
<br />
$this->db->flush_cache();<br />
<br />
-this->db->select('field2');<br />
+$this->db->select('field2');<br />
$this->db->get('tablename');<br />
// Results in:<br />
// SELECT `field2` FROM (`tablename`)</code></p>