Fixup to where this was introduced - typo in the form

Author: jonodrew

app/views/admin/member_search/_search_form.html.haml

@@ -2,4 +2,4 @@
   .row 
     .col-12.col-md-6
       = f.input :name, label: 'Member Name', input_html: { placeholder: 'Enter member name' }
-      = f.button :submit, 'Search', class: 'btn btn-primary mt-3, name: nil
+      = f.button :submit, 'Search', class: 'btn btn-primary mt-3', name: nil