Applied reviewer suggestion

app/models/release.rb

@@ -81,7 +81,7 @@ class Release < ApplicationRecord
     evidence&.summary || {}
   end
 
-  def milestone_list
+  def milestone_titles
     self.milestones.map {|m| m.title }.sort.join(", ")
   end
 

ee/app/services/ee/audit_events/release_associate_milestone_audit_event_service.rb

@@ -4,7 +4,7 @@ module EE
   module AuditEvents
     class ReleaseAssociateMilestoneAuditEventService < ReleaseAuditEventService
       def message
-        milestones = @release.milestone_list
+        milestones = @release.milestone_titles
         milestones = "[none]" if milestones.blank?
 
         "Milestones associated with release changed to #{milestones}"

ee/app/services/ee/audit_events/release_created_audit_event_service.rb

@@ -8,7 +8,7 @@ module EE
         milestone_count = release.milestones.count
 
         if milestone_count > 0
-          "#{simple_message} with #{'Milestone'.pluralize(milestone_count)} #{release.milestone_list}"
+          "#{simple_message} with #{'Milestone'.pluralize(milestone_count)} #{release.milestone_titles}"
         else
           simple_message
         end

spec/models/release_spec.rb

@@ -182,9 +182,9 @@ RSpec.describe Release do
     end
   end
 
-  describe '#milestone_list' do
+  describe '#milestone_titles' do
     let(:release) { create(:release, :with_milestones) }
 
-    it { expect(release.milestone_list).to eq(release.milestones.map {|m| m.title }.sort.join(", "))}
+    it { expect(release.milestone_titles).to eq(release.milestones.map {|m| m.title }.sort.join(", "))}
   end
 end