Docs: Document possible return values for wp_get_word_count_type().

Follow-up to [55279].

See #56698.

git-svn-id: https://develop.svn.wordpress.org/trunk@55295 602fd350-edb4-49c9-b593-d223f7449a82

Author: SergeyBiryukov

src/wp-includes/class-wp-locale.php

@@ -413,11 +413,10 @@ public function get_list_item_separator() {
 	/**
 	 * Retrieves the localized word count type.
 	 *
-	 * Options are 'characters_excluding_spaces', 'characters_including_spaces or 'words'. Defaults to 'words'.
-	 *
 	 * @since 6.2.0
 	 *
-	 * @return string Localized word count type.
+	 * @return string Localized word count type. Possible values are `characters_excluding_spaces`,
+	 *                `characters_including_spaces`, or `words`. Defaults to `words`.
 	 */
 	public function get_word_count_type() {
 

src/wp-includes/l10n.php

@@ -1817,7 +1817,8 @@ function wp_get_list_item_separator() {
  *
  * @global WP_Locale $wp_locale WordPress date and time locale object.
  *
- * @return string Locale-specific word count type.
+ * @return string Locale-specific word count type. Possible values are `characters_excluding_spaces`,
+ *                `characters_including_spaces`, or `words`. Defaults to `words`.
  */
 function wp_get_word_count_type() {
 	global $wp_locale;