diff --git a/wave-on-a-string_en.html b/wave-on-a-string_en.html
index 6ad8b81..51e89c9 100644
--- a/wave-on-a-string_en.html
+++ b/wave-on-a-string_en.html
@@ -85,6 +85,7 @@
     '../sherpa/lib/lodash-4.17.4.js',
     '../sherpa/lib/FileSaver-b8054a2.js',
     '../sherpa/lib/himalaya-1.1.0.js',
+    '../sherpa/lib/linebreak-1.1.0.js',
     '../sherpa/lib/flatqueue-1.2.1.js',
     '../sherpa/lib/he-1.1.1.js',
     '../assert/js/assert.js',