diff --git a/content/api/plugins/compilation.md b/content/api/plugins/compilation.md
index 3a45a2b637cc..90632185d588 100644
--- a/content/api/plugins/compilation.md
+++ b/content/api/plugins/compilation.md
@@ -150,6 +150,27 @@ Create additional assets for the chunks.
 
 Store info about the compilation to the records
 
+## `additional-assets` async
+
+Create additional assets for the compilation
+
+Here's an example that downloads an image.
+
+```javascript
+compiler.plugin('compilation', function(compilation) {
+  compilation.plugin('additional-assets', function(callback) {
+    download('https://img.shields.io/npm/v/webpack.svg', function(resp) {
+      if(resp.status === 200) {
+        compilation.assets['webpack-version.svg'] = toAsset(resp);
+        callback();
+      } else {
+        callback(new Error('[webpack-example-plugin] Unable to download the image'));
+      }
+    })
+  });
+});
+```
+
 ## `optimize-chunk-assets(chunks: Chunk[])` async
 
 Optimize the assets for the chunks.