Password field is not readable

application/views/login.php

@@ -13,7 +13,7 @@
 		<label for='text2'>Username:</label>
 		<?php echo form_input('username');	?><br>
 		<label for='text2'>Password:</label>
-		<?php echo form_input('password');	?><br>
+		<?php echo form_password('password');	?><br>
 		<?php echo form_submit('login', 'Login'); ?>
 	</div>
 	<div class='col_5'>