Update authentication.mdx

Author: kathayl

src/content/docs/ai-gateway/configuration/authentication.mdx

@@ -32,7 +32,7 @@ curl https://gateway.ai.cloudflare.com/v1/{account_id}/{gateway_id}/openai/chat/
   --data '{"model": "gpt-3.5-turbo", "messages": [{"role": "user", "content": "What is Cloudflare?"}]}'
 ```
 
-Using OpenAI sdk:
+Using the OpenAI SDK:
 
 ```javascript
 import OpenAI from "openai";
@@ -46,7 +46,7 @@ const openai = new OpenAI({
 });
 ```
 
-## Example requests with Vercel sdk
+## Example requests with the Vercel AI SDK
 
 ```javascript
 import { createOpenAI } from "@ai-sdk/openai";