docs: fix phrasing

Jacky Zhao

2024-01-27 448ba008e0eba87736067d486222900407c212c3

 quartz/styles/base.scss

@@ -356,6 +356,7 @@
    counter-increment: line 0;
    display: grid;
    padding: 0.5rem 0;
    overflow-x: scroll;

    & [data-highlighted-chars] {
      background-color: var(--highlight);