minor #2440 [Autocomplete] Fix Incompatibility filter_query and max_r…

…esults (doc) (ytilotti)

This PR was merged into the 2.x branch.

Discussion
----------

[Autocomplete] Fix Incompatibility filter_query and max_results (doc)

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| Issues        | Fix #769
| License       | MIT

Fix in the documentation the incompatibility between filter_query and max_results.

Commits
-------

0dc2e73 fix(doc): Incompatibility filter_query and max_results

src/Autocomplete/doc/index.rst

@@ -250,7 +250,7 @@ to the options above, you can also pass:
 
 ``filter_query`` (default: ``null``)
     If you want to completely control the query made for the "search results",
-    use this option. This is incompatible with ``searchable_fields``::
+    use this option. This is incompatible with ``searchable_fields`` and ``max_results``::
 
         [
             'filter_query' => function(QueryBuilder $qb, string $query, EntityRepository $repository) {