message: docs: word correction
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diff: @@ -107,7 +107,7 @@ Notice that all of the files the browser needs to render this application are ca
  <div class="alert is-helpful">
  Pay attention to two key points:
  -1. The generated `ngsw-config.json` includes a limited list of cacheable fonts and images extentions. In some cases, you might want to modify the glob pattern to suit your needs.
  +1. The generated `ngsw-config.json` includes a limited list of cacheable fonts and images extensions. In some cases, you might want to modify the glob pattern to suit your needs.
  1. If `resourcesOutputPath` or `assets` paths are modified after the generation of configuration file, you need to change the paths manually in `ngsw-config.json`.
  </div>
  