Apply suggestions from code review

Author: curquiza

.code-samples.meilisearch.yaml

@@ -832,8 +832,8 @@ search_parameter_reference_distinct_1: |-
   client.index("INDEX_NAME").search(searchRequest);
 distinct_attribute_guide_filterable_1: |-
   Settings settings = new Settings();
-  settings.setFilterableAttributes(new String[] {"language", "title"});
-  client.index("movies").updateSettings(settings);
+  settings.setFilterableAttributes(new String[] {"product_id", "SKU", "url"});
+  client.index("products").updateSettings(settings);
 distinct_attribute_guide_distinct_parameter_1: |-
-  SearchRequest searchRequest = SearchRequest.builder().q("and").distinct("language").build();
-  client.index("movies").search(searchRequest);
+  SearchRequest searchRequest = SearchRequest.builder().q("white shirt").distinct("sku").build();
+  client.index("products").search(searchRequest);