Index: src/wp-includes/blocks.php
===================================================================
--- src/wp-includes/blocks.php	(revision CURRENT)
+++ src/wp-includes/blocks.php	(working copy)
@@ -XXX,7 +XXX,7 @@
 	// Enqueue the block style.
 	if ( isset( $args['handle'] ) ) {
-		wp_style_add_data( $args['hanle'], 'rtl', 'replace' );
+		wp_style_add_data( $args['handle'], 'rtl', 'replace' );
 	}
 
 	if ( isset( $args['inline_style'] ) && $args['inline_style'] ) {