4 files changed, 8 insertions, 0 deletions
diff --git a/app/controllers/explore/application_controller.rb b/app/controllers/explore/application_controller.rb
index baf54520b9c..8eee3742d89 100644
--- a/app/controllers/explore/application_controller.rb
+++ b/app/controllers/explore/application_controller.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class Explore::ApplicationController < ApplicationController
   skip_before_action :authenticate_user!
 
diff --git a/app/controllers/explore/groups_controller.rb b/app/controllers/explore/groups_controller.rb
index fa0a0f68fbc..67db797b80a 100644
--- a/app/controllers/explore/groups_controller.rb
+++ b/app/controllers/explore/groups_controller.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class Explore::GroupsController < Explore::ApplicationController
   include GroupTree
 
diff --git a/app/controllers/explore/projects_controller.rb b/app/controllers/explore/projects_controller.rb
index 03a2ee07fea..7ecbc32cf4e 100644
--- a/app/controllers/explore/projects_controller.rb
+++ b/app/controllers/explore/projects_controller.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class Explore::ProjectsController < Explore::ApplicationController
   include ParamsBackwardCompatibility
   include RendersMemberAccess
diff --git a/app/controllers/explore/snippets_controller.rb b/app/controllers/explore/snippets_controller.rb
index d3f0e033068..76ed142c939 100644
--- a/app/controllers/explore/snippets_controller.rb
+++ b/app/controllers/explore/snippets_controller.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class Explore::SnippetsController < Explore::ApplicationController
   def index
     @snippets = SnippetsFinder.new(current_user).execute