diff --git a/app/views/admin/conferences/new.html.haml b/app/views/admin/conferences/new.html.haml
index 80307e4f..b9076495 100644
--- a/app/views/admin/conferences/new.html.haml
+++ b/app/views/admin/conferences/new.html.haml
@@ -4,8 +4,8 @@
       = f.inputs 'Basic Information' do
         = f.input :title, hint: "The name of your conference as it shall appear throughout the site. Example: 'OpenSUSE Conference 2013'",
                           input_html: { required: 'required' }
-        = f.input :short_title, hint: "A short and unique handle for your conference, using only lower-case letters, numbers and underscores. This will be used to identify your conference in URLs etc. Example: 'froscon2011'",
-                                input_html: { required: 'required' }
+        = f.input :short_title, hint: "A short and unique handle for your conference, using only lower-case letters, numbers, underscores, and dashes. This will be used to identify your conference in URLs etc. Example: 'froscon2011'",
+                                input_html: { required: 'required', pattern: '[a-z0-9_-]+', title: 'Only lower-case letters, numbers, underscores, and dashes.' }, :prepend => conferences_url + '/'
       = f.inputs 'Scheduling' do
         = f.input :timezone, as: :time_zone, default: Time.zone.name, hint: 'Please select in what time zone your conference will take place.'
         = f.input :start_date, as: :string, input_html: { id: 'conference-start-datepicker', required: 'required' }