Docs: Correct function name in add_settings_field() DocBlock.

See #52628.

git-svn-id: https://develop.svn.wordpress.org/trunk@50434 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-admin/includes/template.php

@@ -1592,7 +1592,7 @@ function add_settings_section( $id, $title, $callback, $page ) {
  *
  * Part of the Settings API. Use this to define a settings field that will show
  * as part of a settings section inside a settings page. The fields are shown using
- * do_settings_fields() in do_settings-sections()
+ * do_settings_fields() in do_settings_sections().
  *
  * The $callback argument should be the name of a function that echoes out the
  * HTML input tags for this setting field. Use get_option() to retrieve existing