diff --git a/doc/api/http2.md b/doc/api/http2.md
index 6f3b70be3a03f4..5f130b02e99a36 100644
--- a/doc/api/http2.md
+++ b/doc/api/http2.md
@@ -3114,7 +3114,7 @@ changes:
     description: This method now returns a reference to `ServerResponse`.
 -->
 
-* `data` {string|Buffer}
+* `data` {string|Buffer|Uint8Array}
 * `encoding` {string}
 * `callback` {Function}
 * Returns: {this}
@@ -3396,7 +3396,7 @@ does not indicate whether the data has been flushed, for this use
 added: v8.4.0
 -->
 
-* `chunk` {string|Buffer}
+* `chunk` {string|Buffer|Uint8Array}
 * `encoding` {string}
 * `callback` {Function}
 * Returns: {boolean}