Problem to make manipulation with ID

Problem to make manipulation with ID

I have
  1. <p class="govnocms" id="111">mother</p>
  2. <p class="govnocms" id="222">mother</p>
  3. <p class="govnocms" id="333">mother</p>
I need it convert to:
  1. <p class="govnocms" id="111">111mother</p>
  2. <p class="govnocms" id="222">222mother</p>
  3. <p class="govnocms" id="333">333mother</p>
my varian of jQuery query incorrect:
  1. $(".govnocms").prepend(this.attr('id'));

why ? Where error ?