Fix label so it's linked to the input.

app/views/projects/project_members/_new_project_member.html.haml

@@ -15,7 +15,7 @@
         %strong= link_to "here", help_page_path("user/permissions"), class: "vlink"
 
   .form-group
-    = f.label :expires_at, "Access expiration date", class: 'control-label'
+    = label_tag :expires_at, "Access expiration date", class: 'control-label'
     .col-sm-10
       = text_field_tag :expires_at, nil, class: "datepicker form-control", placeholder: "Select access expiration date"
       .help-block