fix: format code samples

src/Autocomplete/doc/index.rst

@@ -292,11 +292,11 @@ based on the current form data are not possible by default. To partially avoid t
 
 .. warning::
 
-    Only scalar values (`string`, `integer`, `float`, `boolean`), `null` and `arrays` (consisted from the same types as mentioned before) can be passed as extra options.
+    Only scalar values (``string``, ``integer``, ``float``, ``boolean``), ``null`` and ``array``s (consisted from the same types as mentioned before) can be passed as extra options.
 
-Considering the following example, when the form type is rendered for the first time, it will use the `query_builder` defined
-while adding a `food` field to the `FoodForm`. However, when the Ajax is used to fetch the results, on the consequent renders,
-the default `query_builder` will be used::
+Considering the following example, when the form type is rendered for the first time, it will use the ``query_builder`` defined
+while adding a ``food`` field to the ``FoodForm``. However, when the Ajax is used to fetch the results, on the consequent renders,
+the default ``query_builder`` will be used::
 
     // src/Form/FoodForm.php
     // ...
@@ -323,8 +323,8 @@ the default `query_builder` will be used::
     }
 
 If some food can be consisted of other foods, we might want to exclude the "root" food from the list of available foods.
-To achieve this, we can remove the `query_builder` option from the above example and pass the `excluded_foods` extra option
-to the `FoodAutocompleteField`::
+To achieve this, we can remove the ``query_builder`` option from the above example and pass the ``excluded_foods`` extra option
+to the ``FoodAutocompleteField``::
 
     // src/Form/FoodForm.php
     // ...
@@ -345,8 +345,8 @@ to the `FoodAutocompleteField`::
         }
     }
 
-The magic of the `extra_options` is that it will be passed to the `FoodAutocompleteField` every time an Ajax call is made.
-So now, we can just use the `excluded_foods` extra option in the default `query_builder` of the `FoodAutocompleteField`::
+The magic of the ``extra_options`` is that it will be passed to the ``FoodAutocompleteField`` every time an Ajax call is made.
+So now, we can just use the ``excluded_foods`` extra option in the default ``query_builder`` of the ``FoodAutocompleteField``::
 
     // src/Form/FoodAutocompleteField.php
     // ...
@@ -602,7 +602,7 @@ If you need to pass extra options to the autocompleter, you can do so by impleme
 
 .. tip::
 
-    If you want to know **why** you might need to use the `extra options` feature, see :ref:`passing-extra-options-to-the-ajax-powered-autocomplete`.
+    If you want to know **why** you might need to use the ``extra_options`` feature, see :ref:`passing-extra-options-to-the-ajax-powered-autocomplete`.
 
 .. code-block:: diff