Small tweak to the help to explicitly state that petitions can only be signed once.
Small tweak to the help to explicitly state that petitions can only be signed once.
alphagov/e-petitions,alphagov/e-petitions,unboxed/e-petitions,unboxed/e-petitions,alphagov/e-petitions,joelanman/e-petitions,unboxed/e-petitions,joelanman/e-petitions,unboxed/e-petitions,alphagov/e-petitions,joelanman/e-petitions