Docs: Improve description for add_settings_section().

Follow-up to [13177], [15180].

See #64224.

git-svn-id: https://develop.svn.wordpress.org/trunk@61412 602fd350-edb4-49c9-b593-d223f7449a82

Author: SergeyBiryukov

src/wp-admin/includes/template.php

@@ -1616,7 +1616,7 @@ function do_accordion_sections( $screen, $context, $data_object ) {
  *
  * @param string   $id       Slug-name to identify the section. Used in the 'id' attribute of tags.
  * @param string   $title    Formatted title of the section. Shown as the heading for the section.
- * @param callable $callback Function that echos out any content at the top of the section (between heading and fields).
+ * @param callable $callback Function that displays any content at the top of the section (between heading and fields).
  * @param string   $page     The slug-name of the settings page on which to show the section. Built-in pages include
  *                           'general', 'reading', 'writing', 'discussion', 'media', etc. Create your own using
  *                           add_options_page();