Add versionadded

marek-pietrzak-tg · marek-pietrzak-tg · commit a2ca764f604d · 2016-02-10T12:42:06.000Z
diff --git a/cookbook/security/multiple_guard_authenticators.rst b/cookbook/security/multiple_guard_authenticators.rst
@@ -1,6 +1,9 @@
 How to Use Multiple Guard Authenticators
 ========================================
 
+.. versionadded:: 2.8
+    The ``Guard`` component was introduced in Symfony 2.8.
+
 The Guard authentication component allows you to easily use many different
 authenticators at a time.
 
