message: Correct typos in 3_config-file.md
diff: @@ -80,14 +80,14 @@ site.copy("static-files/favicons/favicon.ico", "favicon.ico");
  ## Template filters
  -Template filters are functions that you can use in your layouts to modify content. Some template engines like Nunkucks [have several builtin filters](https://mozilla.github.io/nunjucks/templating.html#builtin-filters), but you can add your owns:
  +Template filters are functions that you can use in your layouts to modify content. Some template engines like Nunjucks [have several builtin filters](https://mozilla.github.io/nunjucks/templating.html#builtin-filters), but you can add your owns:
  ```js
  // Filter to convert a string to uppercase
  site.filter("uppercase", (value) => value.toUpperCase());
  ```
  -Now, use it in your Nunkucks templates:
  +Now, use it in your Nunjucks templates:
  ```html
  <h1>{{ title | uppercase }}</h1>
  