[Rails] link_to_remote is not works for me

link_to_remote is not works for me

here my codes

in my user controller
---------------------------------------------
def edit
puts "===== test output ====="
end

---------------------------------------------
In view

<%= link_to_remote
"Vote",:controller=>"poem",:action=>"vote_for_poem"%>
----------------------------------------------

when i click the link then i'm getting

ActionController::UnknownAction (No action responded to 3. Actions:
create, destroy, edit, index, new, show, update, and vote_for_poem):

anybody please help me

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