Docs: In various @return tags, list the expected type first, instead of false.

Follow-up to [46696].

See #48303.

git-svn-id: https://develop.svn.wordpress.org/trunk@47060 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-admin/includes/template.php

@@ -76,6 +76,7 @@ function wp_category_checklist( $post_id = 0, $descendants_and_self = 0, $select
  *     @type bool   $echo                 Whether to echo the generated markup. False to return the markup instead
  *                                        of echoing it. Default true.
  * }
+ * @return string HTML list of input elements.
  */
 function wp_terms_checklist( $post_id = 0, $args = array() ) {
 	$defaults = array(