diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index d9141eb34..25b3c3259 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "4.9.0"
+  ".": "4.9.1"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3a079127e..ec37e8079 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 4.9.1 (2023-09-21)
+
+Full Changelog: [v4.9.0...v4.9.1](https://github.com/openai/openai-node/compare/v4.9.0...v4.9.1)
+
+### Documentation
+
+* **README:** fix variable names in some examples ([#327](https://github.com/openai/openai-node/issues/327)) ([5e05b31](https://github.com/openai/openai-node/commit/5e05b31c132545ce166cea92c5f3e4410fd40711))
+
 ## 4.9.0 (2023-09-20)
 
 Full Changelog: [v4.8.0...v4.9.0](https://github.com/openai/openai-node/compare/v4.8.0...v4.9.0)
diff --git a/README.md b/README.md
index 2b5f53335..898bb5c6b 100644
--- a/README.md
+++ b/README.md
@@ -28,12 +28,12 @@ const openai = new OpenAI({
 });
 
 async function main() {
-  const completion = await openai.chat.completions.create({
+  const chatCompletion = await openai.chat.completions.create({
     messages: [{ role: 'user', content: 'Say this is a test' }],
     model: 'gpt-3.5-turbo',
   });
 
-  console.log(completion.choices);
+  console.log(chatCompletion.choices);
 }
 
 main();
@@ -81,7 +81,7 @@ async function main() {
     messages: [{ role: 'user', content: 'Say this is a test' }],
     model: 'gpt-3.5-turbo',
   };
-  const completion: OpenAI.Chat.ChatCompletion = await openai.chat.completions.create(params);
+  const chatCompletion: OpenAI.Chat.ChatCompletion = await openai.chat.completions.create(params);
 }
 
 main();
@@ -226,8 +226,8 @@ You can use `for await … of` syntax to iterate through items across all pages:
 async function fetchAllFineTuningJobs(params) {
   const allFineTuningJobs = [];
   // Automatically fetches more pages as needed.
-  for await (const job of openai.fineTuning.jobs.list({ limit: 20 })) {
-    allFineTuningJobs.push(job);
+  for await (const fineTuningJob of openai.fineTuning.jobs.list({ limit: 20 })) {
+    allFineTuningJobs.push(fineTuningJob);
   }
   return allFineTuningJobs;
 }
@@ -237,8 +237,8 @@ Alternatively, you can make request a single page at a time:
 
 ```ts
 let page = await openai.fineTuning.jobs.list({ limit: 20 });
-for (const job of page.data) {
-  console.log(job);
+for (const fineTuningJob of page.data) {
+  console.log(fineTuningJob);
 }
 
 // Convenience methods are provided for manually paginating:
@@ -265,11 +265,11 @@ const response = await openai.chat.completions
 console.log(response.headers.get('X-My-Header'));
 console.log(response.statusText); // access the underlying Response object
 
-const { data: completions, response: raw } = await openai.chat.completions
+const { data: chatCompletion, response: raw } = await openai.chat.completions
   .create({ messages: [{ role: 'user', content: 'Say this is a test' }], model: 'gpt-3.5-turbo' })
   .withResponse();
 console.log(raw.headers.get('X-My-Header'));
-console.log(completions.choices);
+console.log(chatCompletion.choices);
 ```
 
 ## Configuring an HTTP(S) Agent (e.g., for proxies)
diff --git a/package.json b/package.json
index 85d526612..4754e3626 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "openai",
-  "version": "4.9.0",
+  "version": "4.9.1",
   "description": "Client library for the OpenAI API",
   "author": "OpenAI <support@openai.com>",
   "types": "dist/index.d.ts",
diff --git a/src/version.ts b/src/version.ts
index 7e0a988a4..093c16710 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -1 +1 @@
-export const VERSION = '4.9.0'; // x-release-please-version
+export const VERSION = '4.9.1'; // x-release-please-version