diff --git a/app/views/admin/events/index.html.haml b/app/views/admin/events/index.html.haml
index c583501c..7867d0b4 100644
--- a/app/views/admin/events/index.html.haml
+++ b/app/views/admin/events/index.html.haml
@@ -6,11 +6,14 @@
         = "(#{@events.length})" if @events.any?
 
         .btn-group.pull-right
-          %button.btn.btn-primary{ 'data-toggle' => 'modal', 'data-target' => '#mass-commercials-modal', title: 'Mass import of commercials for events' }
+          %button.btn.btn-primary{ title: 'Mass import of commercials for events',
+            data: { toggle: 'modal', target: '#mass-commercials-modal' } }
             Add Commercials
 
           - if can? :create, Event
-            = link_to 'Add Event', new_admin_conference_program_event_path(@conference.short_title), class: 'button btn btn-default btn-info'
+            = link_to 'Add Event',
+              new_admin_conference_program_event_path(@conference.short_title),
+              class: 'button btn btn-default btn-info'
 
           - if can? :read, Event
             - @export_formats.each do |export_format|
@@ -34,17 +37,25 @@
           %b 11:https://youtube.com/myvideo
 
       .modal-body
-        = semantic_form_for '', url: mass_upload_commercials_admin_conference_program_path(@conference.short_title), method: :post do |f|
+        = semantic_form_for '',
+          url:    mass_upload_commercials_admin_conference_program_path(@conference.short_title),
+          method: :post do |f|
           = f.input 'file', as: :file
           .modal-footer
             = f.submit 'Add', class: 'btn btn-primary'
 .row
   .col-md-4
-    = render partial: 'admin/conferences/doughnut_chart', locals: { title: 'Events state', data: @event_distribution }
+    = render 'admin/conferences/doughnut_chart',
+      title: 'Events state',
+      data:  @event_distribution
   .col-md-4
-    = render partial: 'admin/conferences/doughnut_chart', locals: { title: 'Confirmed events scheduled', data: @scheduled_event_distribution }
+    = render 'admin/conferences/doughnut_chart',
+      title: 'Confirmed events scheduled',
+      data:  @scheduled_event_distribution
   .col-md-4
-    = render partial: 'admin/conferences/doughnut_chart', locals: { title: 'Tracks of confirmed events', data: @tracks_distribution_confirmed }
+    = render 'admin/conferences/doughnut_chart',
+      title: 'Tracks of confirmed events',
+      data:  @tracks_distribution_confirmed
 .row
   .col-md-12
     .margin-event-table
@@ -61,7 +72,7 @@
             %b Submitter
           %th
             %b Speakers
-          -if @program.languages.present?
+          - if @program.languages.present?
             %th
               %b Language
           %th