diff --git a/packages/ckeditor5-build-decoupled-document/sample/index.html b/packages/ckeditor5-build-decoupled-document/sample/index.html
index bc594e25c3f..888e0a960f8 100644
--- a/packages/ckeditor5-build-decoupled-document/sample/index.html
+++ b/packages/ckeditor5-build-decoupled-document/sample/index.html
@@ -38,7 +38,7 @@ <h2>The editable</h2>
 		max-height: 500px;
 	}
 
-	.editable-container .document-editor__editable.ck-editor__editable {
+	.editable-container .ck-editor__editable {
 		min-height: 21cm;
 		padding: 2em;
 		border: 1px #D3D3D3 solid;