minor #3531 Remove horizontal scrolling in code block (ifdattic)

This PR was merged into the 2.4 branch.

Discussion
----------

Remove horizontal scrolling in code block

| Q             | A
| ------------- | ---
| Doc fix?      | yes
| New docs?     | no
| Applies to    | 2.4
| Fixed tickets |

Commits
-------

4419aad Remove horizontal scrolling in code block

components/expression_language/caching.rst

@@ -63,7 +63,9 @@ Both ``evaluate()`` and ``compile()`` can handle ``ParsedExpression`` and
     use Symfony\Component\ExpressionLanguage\SerializedParsedExpression;
     // ...
 
-    $expression = new SerializedParsedExpression(serialize($language->parse('1 + 4')));
+    $expression = new SerializedParsedExpression(
+        serialize($language->parse('1 + 4'))
+    );
 
     echo $language->evaluate($expression); // prints 5