Accepted suggestions in the guard documentation

Author: powerdan

security/guard_authentication.rst

@@ -420,7 +420,7 @@ Each authenticator needs the following methods:
 
 **createAuthenticatedToken(UserInterface $user, string $providerKey)**
     If you are implementing the :class:`Symfony\\Component\\Security\\Guard\\GuardAuthenticatorInterface`
-    class instead of extending the :class:`Symfony\\Component\\Security\\Guard\\AbstractGuardAuthenticator`
+    instead of extending the :class:`Symfony\\Component\\Security\\Guard\\AbstractGuardAuthenticator`
     class, you have to implement this method. This method will be called
     after a successful authentication to create and return the token
     for the user, who was supplied as the first argument.