fix typo

Author: MrYamous

src/Autocomplete/doc/index.rst

@@ -753,4 +753,4 @@ the Symfony framework: https://symfony.com/doc/current/contributing/code/bc.html
 .. _`controller.ts`: https://github.com/symfony/ux/blob/2.x/src/Autocomplete/assets/src/controller.ts
 .. _`Tom Select Render Templates`: https://tom-select.js.org/docs/#render-templates
 .. _`Tom Select Option Group`: https://tom-select.js.org/examples/optgroups/
-.. _`Symfony form`: https://symfony.com/doc/current/forms.html
+.. _`Symfony Form`: https://symfony.com/doc/current/forms.html