From 492cb27f21aa8af53c6904e9a7eb8f0738f2ce82 Mon Sep 17 00:00:00 2001
From: Richard Lau <rlau@redhat.com>
Date: Thu, 29 Jul 2021 08:19:09 -0400
Subject: [PATCH] doc: add missing `introduced_in` metadata

Fixes doc build warnings:
```
Failed to add alternative version links to webstreams
Failed to add alternative version links to async_context
```
---
 doc/api/async_context.md | 2 ++
 doc/api/webstreams.md    | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/doc/api/async_context.md b/doc/api/async_context.md
index 20cf08c06b13a4..391ed4c5459da1 100644
--- a/doc/api/async_context.md
+++ b/doc/api/async_context.md
@@ -1,5 +1,7 @@
 # Asynchronous Context Tracking
 
+<!--introduced_in=v16.4.0-->
+
 > Stability: 2 - Stable
 
 <!-- source_link=lib/async_hooks.js -->
diff --git a/doc/api/webstreams.md b/doc/api/webstreams.md
index 083567aa8da002..a4f15c797d23b1 100644
--- a/doc/api/webstreams.md
+++ b/doc/api/webstreams.md
@@ -1,5 +1,7 @@
 # Web Streams API
 
+<!--introduced_in=v16.5.0-->
+
 > Stability: 1 - Experimental
 
 An implementation of the [WHATWG Streams Standard][].