[ci skip] Merge pull request #5143 from TysonAndre/misc-phpdoc-nits

Fix misc inconsistencies between code and doc comments
diff --git a/system/libraries/Session/drivers/Session_redis_driver.php b/system/libraries/Session/drivers/Session_redis_driver.php
index d260f7b..e220a29 100644
--- a/system/libraries/Session/drivers/Session_redis_driver.php
+++ b/system/libraries/Session/drivers/Session_redis_driver.php
@@ -51,7 +51,7 @@
 	/**
 	 * phpRedis instance
 	 *
-	 * @var	resource
+	 * @var	Redis
 	 */
 	protected $_redis;