docs: Updated express generator ID (fern-api#3057)

README.md

@@ -91,7 +91,7 @@ who write their API definition (as an OpenAPI spec or Fern definition) and want
 
 | Generator ID                  | Latest Version | Changelog                                                    | Entrypoint                                                                       |
 | ----------------------------- | -------------- | ------------------------------------------------------------ | -------------------------------------------------------------------------------- |
-| `fernapi/fern-express-server` | `0.9.7`        | [CHANGELOG.md](./generators/typescript/express/CHANGELOG.md) | [cli.ts](./generators/typescript/express/cli/src/cli.ts)                         |
+| `fernapi/fern-typescript-express` | `0.9.7`        | [CHANGELOG.md](./generators/typescript/express/CHANGELOG.md) | [cli.ts](./generators/typescript/express/cli/src/cli.ts)                         |
 | `fernapi/fern-fastapi-server` | `0.7.7`        | [CHANGELOG.md](./generators/python/fastapi/CHANGELOG.md)     | [cli.py](./generators/python/src/fern_python/generators/sdk/cli.py)              |
 | `fernapi/fern-java-spring`    | `0.7.1`        | [CHANGELOG.md](./generators/java/spring/CHANGELOG.md)        | [Cli.java](./generators/java/spring/src/main/java/com/fern/java/spring/Cli.java) |