diff --git a/app/views/bootstrap/_alert.haml b/app/views/bootstrap/_alert.haml
index 395f75d2..85bcbe84 100644
--- a/app/views/bootstrap/_alert.haml
+++ b/app/views/bootstrap/_alert.haml
@@ -1,2 +1,2 @@
-.alert.alert-primary.mx-auto.content.max-w-70ch{ role: 'alert', class: local_assigns[:class] }
+.alert.alert-primary.mx-auto.content.max-w-md-70ch{ role: 'alert', class: local_assigns[:class] }
   = yield