missing i18n

app/views/layouts/nav/_dashboard.html.haml

@@ -68,11 +68,11 @@
     %li.line-separator.d-none.d-sm-block
   - if can?(current_user, :read_instance_statistics)
     = nav_link(controller: [:conversational_development_index, :cohorts]) do
-      = link_to instance_statistics_root_path, title: 'Instance Statistics', aria: { label: 'Instance statistics' }, data: {toggle: 'tooltip', placement: 'bottom', container: 'body'} do
+      = link_to instance_statistics_root_path, title: _('Instance Statistics'), aria: { label: _('Instance Statistics') }, data: {toggle: 'tooltip', placement: 'bottom', container: 'body'} do
         = sprite_icon('chart', size: 18)
   - if current_user.admin?
     = nav_link(controller: 'admin/dashboard') do
-      = link_to admin_root_path, class: 'admin-icon qa-admin-area-link', title: _('Admin area'), aria: { label: "Admin area" }, data: {toggle: 'tooltip', placement: 'bottom', container: 'body'} do
+      = link_to admin_root_path, class: 'admin-icon qa-admin-area-link', title: _('Admin area'), aria: { label: _('Admin area') }, data: {toggle: 'tooltip', placement: 'bottom', container: 'body'} do
         = sprite_icon('admin', size: 18)
   - if Gitlab::Sherlock.enabled?
     %li

app/views/layouts/nav/sidebar/_instance_statistics.html.haml

 .nav-sidebar{ class: ("sidebar-collapsed-desktop" if collapsed_sidebar?) }
   .nav-sidebar-inner-scroll
     .context-header
-      = link_to instance_statistics_root_path, title: 'Instance Statistics' do
+      = link_to instance_statistics_root_path, title: _('Instance Statistics') do
         .avatar-container.s40.settings-avatar
           = sprite_icon('chart', size: 24)
-        .sidebar-context-title Instance Statistics
+        .sidebar-context-title= _('Instance Statistics')
     %ul.sidebar-top-level-items
       = nav_link(controller: :conversational_development_index) do
         = link_to instance_statistics_conversational_development_index_index_path do