Update has-parent-filter.asciidoc

"This filter return child..." => This filter returns child...

docs/reference/query-dsl/filters/has-parent-filter.asciidoc

@@ -3,7 +3,7 @@
 
 The `has_parent` filter accepts a query and a parent type. The query is
 executed in the parent document space, which is specified by the parent
-type. This filter return child documents which associated parents have
+type. This filter returns child documents which associated parents have
 matched. For the rest `has_parent` filter has the same options and works
 in the same manner as the `has_child` filter.
 
@@ -57,4 +57,4 @@ in order to support fast lookups, so make sure there is enough memory for it.
 
 The `has_parent` filter cannot be cached in the filter cache. The `_cache`
 and `_cache_key` options are a no-op in this filter. Also any filter that
-wraps the `has_parent` filter either directly or indirectly will not be cached.
+wraps the `has_parent` filter either directly or indirectly will not be cached.