diff --git a/legacy/package.json b/legacy/package.json
index c776a3bb..36fe72bc 100644
--- a/legacy/package.json
+++ b/legacy/package.json
@@ -1,6 +1,6 @@
 {
   "name": "chatgpt",
-  "version": "2.0.3",
+  "version": "2.0.5",
   "description": "Node.js client for the unofficial ChatGPT API.",
   "author": "Travis Fischer <travis@transitivebullsh.it>",
   "repository": "transitive-bullshit/chatgpt-api",
diff --git a/legacy/readme.md b/legacy/readme.md
index df3a9014..d70b1c44 100644
--- a/legacy/readme.md
+++ b/legacy/readme.md
@@ -97,6 +97,8 @@ const response = await api.sendMessage('this is a timeout test', {
 })
 ```
 
+You can stream responses using the `onProgress` or `onConversationResponse` callbacks. See the [docs](./docs/classes/ChatGPTAPI.md) for more details.
+
 <details>
 <summary>Usage in CommonJS (Dynamic import)</summary>
 
@@ -180,10 +182,12 @@ All of these awesome projects are built using the `chatgpt` package. 🤯
 - [Discord Bot #2](https://github.com/Nageld/ChatGPT-Bot)
 - [WeChat Bot #1](https://github.com/AutumnWhj/ChatGPT-wechat-bot)
 - [WeChat Bot #2](https://github.com/fuergaosi233/wechat-chatgpt)
+- [QQ Bot (plugin for Yunzai-bot)](https://github.com/ikechan8370/chatgpt-plugin)
 - [Lovelines.xyz](https://lovelines.xyz)
 - [EXM smart contracts](https://github.com/decentldotland/molecule)
 - [Flutter ChatGPT API](https://github.com/coskuncay/flutter_chatgpt_api)
 - [Carik Bot](https://github.com/luridarmawan/Carik)
+- [Github Action for reviewing PRs](https://github.com/kxxt/chatgpt-action/)
 
 If you create a cool integration, feel free to open a PR and add it to the list.
 
diff --git a/legacy/src/chatgpt-api.ts b/legacy/src/chatgpt-api.ts
index e02c811f..39d59f29 100644
--- a/legacy/src/chatgpt-api.ts
+++ b/legacy/src/chatgpt-api.ts
@@ -142,7 +142,7 @@ export class ChatGPTAPI {
         headers: {
           Authorization: `Bearer ${accessToken}`,
           'Content-Type': 'application/json',
-          'user-agent': this._userAgent
+          'User-Agent': this._userAgent
         },
         body: JSON.stringify(body),
         signal: abortSignal,
diff --git a/legacy/src/fetch.ts b/legacy/src/fetch.ts
index f3ea9616..cb637869 100644
--- a/legacy/src/fetch.ts
+++ b/legacy/src/fetch.ts
@@ -16,6 +16,12 @@ const fetch =
       _undici = await import('undici')
     }
 
+    if (typeof _undici?.fetch !== 'function') {
+      throw new Error(
+        'Invalid undici installation; please make sure undici is installed correctly in your node_modules. Note that this package requires Node.js >= 16.8'
+      )
+    }
+
     return _undici.fetch(...args)
   }