message: fix docs example for nested formatters
diff: @@ -107,7 +107,7 @@ In this example the CSS imports the same formatter as the previous example, `cal
  ## Nested formatters
  You can also nest formatters to provide functions that are modular, composable and reusable.
  -In this example the formatter `sin` is nested in the `abs` formatter. Both are imported into the CSS file and the output value is calculated from both. The formatters expose to the CSS mathematical calculations that are used in the JavaScript functions.
  +In this example the formatter `divBy2` is nested in the `round` formatter. Both are imported into the CSS file and the output value is calculated from both. The formatters expose to the CSS mathematical calculations that are used in the JavaScript functions.
  ```js
  /* ./math.js */
  