docs(readme): fix typo

stainless-app[bot] · stainless-app[bot] · commit cab3478f195f · 2025-04-30T15:45:51.000Z
diff --git a/README.md b/README.md
@@ -151,7 +151,7 @@ async function main() {
 main();
 ```
 
-Error codes are as followed:
+Error codes are as follows:
 
 | Status Code | Error Type                 |
 | ----------- | -------------------------- |
