<article>
        <h2>edit</h2>
        <div class="command"><span class="keys">i</span><span class="description">insert</span></div>
        <div class="command"><span class="keys">Esc</span><span class="description">exit insert mode</span></div>
        <div class="command"><span class="keys">a</span><span class="description">append</span></div>
        <div class="command"><span class="keys">A</span><span class="description">append at end of line</span></div>
        <div class="command"><span class="key