[Doc] Reword the section about the locale in Live Components

Author: javiereguiluz

src/LiveComponent/doc/index.rst

@@ -96,9 +96,9 @@ needed if you're using AssetMapper):
     $ yarn install --force
     $ yarn watch
 
-In case your project `localizes its URLs`_ by adding the special
-``{_locale}`` parameter to the paths of its route definitions,
-you need to do the same with the UX Live Components route definition:
+If your project is localized in different languages (either via the `_locale route parameter`_
+or by `setting the locale in the request`_) add the ``{ _locale}`` attribute to
+the UX Live Components route definition to keep the locale between refreshes:
 
 .. code-block:: diff
 
@@ -3467,3 +3467,5 @@ bound to Symfony's BC policy for the moment.
 .. _`PostMount hook`: https://symfony.com/bundles/ux-twig-component/current/index.html#postmount-hook
 .. _`validation groups`: https://symfony.com/doc/current/form/validation_groups.html
 .. _morphing library: https://github.com/bigskysoftware/idiomorph
+.. _`_locale route parameter`: https://symfony.com/doc/current/translation.html#the-locale-and-the-url
+.. _`setting the locale in the request`: https://symfony.com/doc/current/translation.html#translation-locale