Mention redis connection.

app/config/session.php

@@ -51,9 +51,9 @@ return array(
 	| Session Database Connection
 	|--------------------------------------------------------------------------
 	|
-	| When using the "database" session driver, you may specify the database
-	| connection that should be used to manage your sessions. This should
-	| correspond to a connection in your "database" configuration file.
+	| When using the "database" or "redis" session drivers, you may specify a
+	| connection that should be used to manage these sessions. This should
+	| correspond to a connection in your database configuration options.
 	|
 	*/