Add missing documentation for the $echo parameter in the DocBlock for edit_term_link().

Props tmatsuur.
Fixes #32776.


git-svn-id: https://develop.svn.wordpress.org/trunk@32925 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/link-template.php

@@ -948,6 +948,7 @@ function get_edit_term_link( $term_id, $taxonomy, $object_type = '' ) {
  * @param string $before Optional. Display before edit link.
  * @param string $after  Optional. Display after edit link.
  * @param object $term   Term object.
+ * @param bool   $echo   Optional. Whether or not to echo the return. Default true.
  * @return string|void HTML content.
  */
 function edit_term_link( $link = '', $before = '', $after = '', $term = null, $echo = true ) {