Also requiring annotations so they can be used

weaverryan · weaverryan · commit b5a5dcc5a4c2 · 2018-08-10T12:42:39.000-04:00
diff --git a/validation.rst b/validation.rst
@@ -19,7 +19,7 @@ install the validator before using it:
 
 .. code-block:: terminal
 
-    $ composer require symfony/validator
+    $ composer require symfony/validator doctrine/annotations
 
 .. index::
    single: Validation; The basics
