{{ "<!-- Header section -->" | safeHTML }}
<header id="header">
    <nav>
        <a href="#about-me">{{ with .Site.Params.about.title }}{{ . }}{{ end }}</a>
        <a href="#work">{{ with .Site.Params.work.title }}{{ . }}{{ end }}</a>
        <a href="#clients">{{ with .Site.Params.clients.title }}{{ . }}{{ end }}</a>
        <a href="#contact">{{ with .Site.Params.contact.title }}{{ . }}{{ end }}</a>
    </nav>
    <h1><span>{{ with .Site.Params.header.title }}{{ . }}{{ end }}</span></h1>
    <p class="kicker">{{ with .Site.Params.header.shortBio }}{{ . }}{{ end }}</p>
</header>

{{ "<!-- Header section -->" | safeHTML }}
<header id="header">
    <nav>
        <a href="#about-me">{{ with .Site.Params.about.title }}{{ . }}{{ end }}</a>
        <a href="#work">{{ with .Site.Data.work.title }}{{ . }}{{ end }}</a>
        <a href="#clients">{{ with .Site.Params.clients.title }}{{ . }}{{ end }}</a>
        <a href="#contact">{{ with .Site.Params.contact.title }}{{ . }}{{ end }}</a>
    </nav>
    <h1><span>{{ with .Site.Params.header.title }}{{ . }}{{ end }}</span></h1>
    <p class="kicker">{{ with .Site.Params.header.shortBio }}{{ . }}{{ end }}</p>
</header>

Access the correct work title string
Access the correct work title string