Reword merge request cherry-pick system note

app/services/system_notes/merge_requests_service.rb

@@ -143,7 +143,7 @@ module SystemNotes
     def picked_into_branch(branch_name, pick_commit)
       link = url_helpers.project_tree_path(project, branch_name)
 
-      body = "picked this merge request into branch [`#{branch_name}`](#{link}) with commit #{pick_commit}"
+      body = "picked the changes into the branch [`#{branch_name}`](#{link}) with commit #{pick_commit}"
 
       summary = NoteSummary.new(noteable, project, author, body, action: 'cherry_pick')
       summary.note[:commit_id] = pick_commit

spec/services/system_notes/merge_requests_service_spec.rb

@@ -253,7 +253,7 @@ describe ::SystemNotes::MergeRequestsService do
     end
 
     it "posts the 'picked merge request' system note" do
-      expect(subject.note).to eq("picked this merge request into branch [`#{branch_name}`](/#{project.full_path}/-/tree/#{branch_name}) with commit #{commit_sha}")
+      expect(subject.note).to eq("picked the changes into the branch [`#{branch_name}`](/#{project.full_path}/-/tree/#{branch_name}) with commit #{commit_sha}")
     end
 
     it 'links the merge request and the cherry-pick commit' do