diff --git a/doc/api/buffer.md b/doc/api/buffer.md
index c72590cb71538c..87d74b47447b43 100644
--- a/doc/api/buffer.md
+++ b/doc/api/buffer.md
@@ -513,6 +513,18 @@ added:
 Returns a promise that fulfills with an {ArrayBuffer} containing a copy of
 the `Blob` data.
 
+### `blob.bytes()`
+
+<!-- YAML
+added:
+  - v20.16.0
+-->
+
+* Returns: {Promise}
+
+Returns a promise that fulfills with a {Uint8Array} containing a copy of the
+`Blob` data.
+
 ### `blob.size`
 
 <!-- YAML
diff --git a/lib/internal/blob.js b/lib/internal/blob.js
index 450ad593f44507..053c147e1aaada 100644
--- a/lib/internal/blob.js
+++ b/lib/internal/blob.js
@@ -312,6 +312,10 @@ class Blob {
     return dec.decode(await this.arrayBuffer());
   }
 
+  /**
+   * @returns {Promise<Uint8Array>}
+   */
+
   bytes() {
     if (!isBlob(this))
       throw new ERR_INVALID_THIS('Blob');