diff --git a/doc/api/webstreams.md b/doc/api/webstreams.md
index d8301ae640f2fa..f1e5b742799958 100644
--- a/doc/api/webstreams.md
+++ b/doc/api/webstreams.md
@@ -1296,7 +1296,7 @@ added: v16.6.0
   * `ignoreBOM` {boolean} When `true`, the `TextDecoderStream` will include the
     byte order mark in the decoded result. When `false`, the byte order mark
     will be removed from the output. This option is only used when `encoding` is
-    `'utf-8'`, `'utf-16be'` or `'utf-16le'`. **Default:** `false`.
+    `'utf-8'`, `'utf-16be'`, or `'utf-16le'`. **Default:** `false`.
 
 Creates a new `TextDecoderStream` instance.