Update components/asset.rst

Co-authored-by: Oskar Stark <oskarstark@googlemail.com>

Author: GromNaN

components/asset.rst

@@ -181,9 +181,9 @@ not listed in the manifest::
     echo $package->getUrl('not-found.css');
     // error:
 
-.. versionadded:: 5.2
+.. versionadded:: 5.3
 
-    Option ``$strictMode`` was introduced in Symfony 5.2.
+    The ``$strictMode`` option was introduced in Symfony 5.3.
 
 If your JSON file is not on your local filesystem but is accessible over HTTP,
 use the :class:`Symfony\\Component\\Asset\\VersionStrategy\\RemoteJsonManifestVersionStrategy`