diff --git a/web/modals/threads/confirm-leave-thread-modal.css b/web/modals/threads/confirm-leave-thread-modal.css
--- a/web/modals/threads/confirm-leave-thread-modal.css
+++ b/web/modals/threads/confirm-leave-thread-modal.css
@@ -2,4 +2,6 @@
   color: var(--text-background-secondary-default);
   box-sizing: border-box;
   font-size: var(--xl-font-20);
+  max-width: 500px;
+  overflow-wrap: break-word;
 }