[#14384] Minor grammar fix in versionadded directive

wouterj · wouterj · commit f97888b8a051 · 2021-01-11T10:01:28.000+01:00
diff --git a/components/serializer.rst b/components/serializer.rst
@@ -979,7 +979,8 @@ Option                          Description
 
 .. versionadded:: 4.2
 
-    The ``decoder_ignored_node_types`` & ``encoder_ignored_node_types`` options was introduced in Symfony 4.2.
+    The ``decoder_ignored_node_types`` and ``encoder_ignored_node_types``
+    options were introduced in Symfony 4.2.
 
 The ``YamlEncoder``
 ~~~~~~~~~~~~~~~~~~~
