Improvment to reset plus spelling fix.

assets/sass/base/document/_document.scss

@@ -5,13 +5,13 @@ html {
   font-family: var(--ff-body);
   // Set base font size in percent.
   font-size: calc(#{$base-font-size} / 16 * 100%);
-  // Correct the line height in all browsers.
-  line-height: $base-line-height;
   // Set text colour.
   color: var(--color-text);
 }
 
 body {
+  // Correct the line height in all browsers.
+  line-height: $base-line-height;
   // Output a horizontal grid to help with debugging typography. The
   // $debug variable will toggle its output.
   @include debug-grid();