diff --git a/www/code/inner.html b/www/code/inner.html
index f27544238..12f4c8cac 100644
--- a/www/code/inner.html
+++ b/www/code/inner.html
@@ -81,6 +81,7 @@
             border-left: 1px solid black;
             box-sizing: border-box;
             font-family: Calibri,Ubuntu,sans-serif;
+            word-wrap: break-word;
         }
         #preview {
             max-width: 40vw;