-

Author: javiereguiluz

components/uid.rst

@@ -271,6 +271,8 @@ following methods to create a ``Ulid`` object from it::
 
 There's also a special ``NilUlid`` class to represent ULID ``null`` values::
 
+    use Symfony\Component\Uid\NilUlid;
+
     $ulid = new NilUlid();
     // equivalent to $ulid = new Ulid('00000000000000000000000000');