diff --git a/wp-includes/blocks.php b/wp-includes/blocks.php
index bf87b0f82e..020887acda 100644
--- a/wp-includes/blocks.php
+++ b/wp-includes/blocks.php
@@ -975,6 +975,16 @@ function block_has_support( $block_type, $feature, $default = false ) {
 	return true === $block_support || is_array( $block_support );
 }
 
+/**
+ * Converts typography keys declared under `supports.*` to `supports.typography.*`.
+ *
+ * Displays a `_doing_it_wrong()` notice when a block using the older format is detected.
+ *
+ * @since 5.8.0
+ *
+ * @param array $metadata Metadata for registering a block type.
+ * @return array Filtered metadata for registering a block type.
+ */
 function wp_migrate_old_typography_shape( $metadata ) {
 	$typography_keys = array(
 		'__experimentalFontFamily',
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 2cdb7de3ff..178d5c7a4e 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.8-beta1-51158';
+$wp_version = '5.8-beta1-51159';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.