diff --git a/aio/content/guide/service-worker-getting-started.md b/aio/content/guide/service-worker-getting-started.md
index ff18812b30..e622f89530 100644
--- a/aio/content/guide/service-worker-getting-started.md
+++ b/aio/content/guide/service-worker-getting-started.md
@@ -94,6 +94,16 @@ Notice that all of the files the browser needs to render this application are ca
 * `favicon.ico`.
 * Build artifacts (JS and CSS bundles).
 * Anything under `assets`.
+* Images and fonts directly under the configured `outputPath` (by default `./dist/<project-name>/`) or `resourcesOutputPath`. See [`ng build`](cli/build) for more information about these options.
+
+
+<div class="alert is-helpful">
+Pay attention to two key points:
+
+1. The generated `ngsw-config.json` includes a limited list of cachable fonts and images extentions. 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>
 
 ### Making changes to your application