fix link

Author: devalog

fern/products/api-def/pages/project-structure.mdx

@@ -60,7 +60,7 @@ Beyond the core files, you can optionally customize your API definition using ov
 
 When you run `fern generate`, Fern combines your original API specification with the overrides file.
 
-To use overrides, [create an `overrides.yml` file](/api-definitions/openapi/extensions/method-names) in the folder that contains your API definition:
+To use overrides, [create an `overrides.yml` file](/cli-api-reference/cli-reference/commands#fern-write-overrides) in the folder that contains your API definition:
 
 ```bash {6}
 fern/