diff --git a/index.php b/index.php
index 708c828..ad5c1df 100644
--- a/index.php
+++ b/index.php
@@ -53,10 +53,10 @@ function create_block_multiblocks_block_init()
 	register_block_type(__DIR__ . '/blocks/timeline/build');
 	register_block_type(__DIR__ . '/blocks/staff-list/build');
 	register_block_type(__DIR__ . '/blocks/section-titling/build');
+	register_block_type(__DIR__ . '/blocks/accordeon/build');
 
 	// CONTAINERS (STATIC)
-	register_block_type(__DIR__ . '/blocks/grey-box/build');
-	register_block_type(__DIR__ . '/blocks/white-box/build');
+	register_block_type(__DIR__ . '/blocks/content-box/build');
 
 	// CHILDREN (STATIC)
 	register_block_type(__DIR__ . '/blocks/monoblock/build');  // — ALLOWED IN GREYBOX / WHITE BOX