<div class="header-proposition">
  <div class="content">
    <a href="#proposition-links" class="js-header-toggle menu">Menu</a>
    <nav id="proposition-menu">
      <a href="/" id="proposition-name">The Pensions Guidance Service</a>
    </nav>
  </div>
</div>

<div class="header-proposition">
  <div class="content">
    <a href="#proposition-links" class="js-header-toggle menu">Menu</a>
    <nav id="proposition-menu">
      <a href="/session-type" id="proposition-name">Book a pension guidance session</a>
    </nav>
  </div>
</div>

Update service header text and link
Update service header text and link