Docs: Add a missing hook doc for the `parse_comment_query` hook, added in [31793].

Props flixos90.
See #24826. Fixes #36740.


git-svn-id: https://develop.svn.wordpress.org/trunk@37355 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/class-wp-comment-query.php

@@ -323,6 +323,14 @@ class WP_Comment_Query {
 		}
 
 		$this->query_vars = wp_parse_args( $query, $this->query_var_defaults );
+
+		/**
+		 * Fires after the comment query vars have been parsed.
+		 *
+		 * @since 4.2.0
+		 *
+		 * @param WP_Comment_Query &$this The WP_Comment_Query instance (passed by reference).
+		 */
 		do_action_ref_array( 'parse_comment_query', array( &$this ) );
 	}