Freeze string literals

1ba78fde · syasonik · 96f379c4 · 1ba78fde
Commit 1ba78fde authored Jul 18, 2019 by syasonik
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ee/app/presenters/projects/prometheus/alert_presenter.rb ee/app/presenters/projects/prometheus/alert_presenter.rb +1 -1

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--- a/ee/app/presenters/projects/prometheus/alert_presenter.rb
+++ b/ee/app/presenters/projects/prometheus/alert_presenter.rb
@@ -3,7 +3,7 @@
 module Projects
  module Prometheus
    class AlertPresenter < Gitlab::View::Presenter::Delegated
-      RESERVED_ANNOTATIONS = %w(gitlab_incident_markdown)
+      RESERVED_ANNOTATIONS = %w(gitlab_incident_markdown).freeze

      def full_title
        [environment_name, alert_title].compact.join(': ')