part 2

Author: ottaviano

components/serializer.rst

@@ -662,7 +662,7 @@ There are several types of normalizers available:
     calling the constructor during the denormalization process.
 
     Objects are normalized to a map of property names and values (names are
-    generated removing the ``get``, ``set``, ``has`` or ``remove`` prefix from
+    generated removing the ``get``, ``set``, ``has``, ``is`` or ``remove`` prefix from
     the method name and lowercasing the first letter; e.g. ``getFirstName()`` ->
     ``firstName``).
 
@@ -1178,9 +1178,7 @@ Use the special ``#`` key to define the data of a node::
     // is encoded as follows:
     // <?xml version="1.0"?>
     // <response>
-    //     <foo bar="value">
-    //        baz
-    //     </foo>
+    //     <foo bar="value">baz</foo>
     // </response>
 
 Context

reference/configuration/framework.rst

@@ -1945,7 +1945,7 @@ the ``dev`` environment).
     given the adapter they are based on. Internally, a pool wraps the definition
     of an adapter.
 
-.. _reference-cache-systen:
+.. _reference-cache-system:
 
 system
 ......

serializer.rst

@@ -121,13 +121,7 @@ properties and setters (``setXxx()``) to change properties:
 Using Serialization Groups Annotations
 --------------------------------------
 
-To use annotations, first add support for them via the SensioFrameworkExtraBundle:
-
-.. code-block:: terminal
-
-    $ composer require sensio/framework-extra-bundle
-
-Next, add the :ref:`@Groups annotations <component-serializer-attributes-groups-annotations>`
+To use annotations, add the :ref:`@Groups annotations <component-serializer-attributes-groups-annotations>`
 to your class and choose which groups to use when serializing::
 
     $json = $serializer->serialize(
@@ -138,7 +132,7 @@ to your class and choose which groups to use when serializing::
 .. tip::
 
     The value of the ``groups`` key can be a single string, or an array of strings.
-    
+
     .. versionadded:: 4.2
         The option to pass a single string to ``groups`` was introduced in Symfony 4.2.
 
@@ -160,7 +154,7 @@ Configuring the Metadata Cache
 
 The metadata for the serializer is automatically cached to enhance application
 performance. By default, the serializer uses the ``cache.system`` cache pool
-which is configured using the :ref:`cache.system <reference-cache-systen>`
+which is configured using the :ref:`cache.system <reference-cache-system>`
 option.
 
 Enabling a Name Converter