diff --git a/tramway-event/app/decorators/tramway/event/event_decorator.rb b/tramway-event/app/decorators/tramway/event/event_decorator.rb
index 1a423721..c9507969 100644
--- a/tramway-event/app/decorators/tramway/event/event_decorator.rb
+++ b/tramway-event/app/decorators/tramway/event/event_decorator.rb
@@ -77,7 +77,7 @@ def events_link
     event_url = ['molodoy.online', event_link].join
     content_tag(:div) do
       concat link_to event_url, event_url, id: "event#{object.id}"
-      concat " "
+      concat ' '
       concat(button_tag(class: 'btn btn-info clipboard-btn', data: { clipboard_action: 'copy', clipboard_target: "#event#{object.id}" }) do
         fa_icon 'copy'
       end)
diff --git a/tramway-event/app/forms/tramway/event/participant_form_field_form.rb b/tramway-event/app/forms/tramway/event/participant_form_field_form.rb
index c9e0b6a3..c84e5871 100644
--- a/tramway-event/app/forms/tramway/event/participant_form_field_form.rb
+++ b/tramway-event/app/forms/tramway/event/participant_form_field_form.rb
@@ -7,12 +7,12 @@ class Tramway::Event::ParticipantFormFieldForm < ::Tramway::Core::ExtendedApplic
   def initialize(object)
     super(object).tap do
       form_properties event: :association,
-        title: :string,
-        description: :string,
-        field_type: :default,
-        options: :text,
-        list_field: :boolean,
-        position: :numeric
+                      title: :string,
+                      description: :string,
+                      field_type: :default,
+                      options: :text,
+                      list_field: :boolean,
+                      position: :numeric
     end
   end