diff --git a/datasette/static/app.css b/datasette/static/app.css
index af3e14d5..712b9925 100644
--- a/datasette/static/app.css
+++ b/datasette/static/app.css
@@ -260,6 +260,7 @@ ul.bullets li {
 ul.tight-bullets li {
     list-style-type: disc;
     margin-bottom: 0;
+    word-break: break-all;
 }
 a.not-underlined {
     text-decoration: none;