diff --git a/app/views/admin/conferences/_form.html.haml b/app/views/admin/conferences/_form.html.haml
index 88590f5..e3ea9ca 100644
--- a/app/views/admin/conferences/_form.html.haml
+++ b/app/views/admin/conferences/_form.html.haml
@@ -39,6 +39,8 @@
   .form-group
     = form.label :booth_capacity
     = form.number_field :booth_capacity, class: 'form-control'
+    %small.form-text
+      %code must be 1+ to activate booth request form
 
   .form-group
     .form-check