Docs: Include 'wp-json' in the 4.4.0 changelog entry for the subdirectory_reserved_names filter.

'wp-json' was appended to the reserved names list in [34375].

See #33789. See #32246.

Built from https://develop.svn.wordpress.org/trunk@34384


git-svn-id: http://core.svn.wordpress.org/trunk@34348 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/ms-functions.php

@@ -619,7 +619,8 @@ function wpmu_validate_blog_signup( $blogname, $blog_title, $user = '' ) {
 			 * Filter reserved site names on a sub-directory Multisite install.
 			 *
 			 * @since 3.0.0
-			 * @since 4.4.0 'wp-admin', 'wp-content', and 'wp-includes' were added to the reserved names list.
+			 * @since 4.4.0 'wp-admin', 'wp-content', 'wp-includes', and 'wp-json' were added
+			 *              to the reserved names list.
 			 *
 			 * @param array $subdirectory_reserved_names Array of reserved names.
 			 */