phpdoc fixes

laravel/cache/drivers/driver.php

@@ -67,6 +67,7 @@ abstract class Driver {
 	 * @param  string  $key
 	 * @param  mixed   $default
 	 * @param  int     $minutes
+	 * @param  string  $function
 	 * @return mixed
 	 */
 	public function remember($key, $default, $minutes, $function = 'put')

laravel/cache/drivers/memcached.php

@@ -20,6 +20,7 @@ class Memcached extends Sectionable {
 	 * Create a new Memcached cache driver instance.
 	 *
 	 * @param  Memcached  $memcache
+	 * @param  string     $key
 	 * @return void
 	 */
 	public function __construct(\Memcached $memcache, $key)

laravel/cache/drivers/sectionable.php

@@ -63,6 +63,7 @@ abstract class Sectionable extends Driver {
 	 * @param  string  $key
 	 * @param  mixed   $default
 	 * @param  int     $minutes
+	 * @param  string  $function
 	 * @return mixed
 	 */
 	public function remember_in_section($section, $key, $default, $minutes, $function = 'put')