docs: add autorater option docs

Author: geromegrignon

README.md

@@ -77,6 +77,10 @@ You can customize the `web-codegen-scorer eval` script with the following flags:
   `DEFAULT_MODEL_NAME`.
     - Example: `web-codegen-scorer eval --model=gemini-2.5-flash --env=<config path>`
 
+- `--autorater-model=<name>`: Specifies the model to use when automatically rating generated code. Defaults to the value of
+  `DEFAULT_AUTORATER_MODEL_NAME`.
+    - Example: `web-codegen-scorer eval --model=gemini-2.5-flash --autorater-model=gemini-2.5-flash --env=<config path>`
+
 - `--runner=<name>`: Specifies the runner to use to execute the eval. Supported runners are
   `genkit` (default) or `gemini-cli`.
 

runner/eval-cli.ts

@@ -152,7 +152,7 @@ function builder(argv: Argv): Argv<Options> {
     .option('autorater-model', {
       type: 'string',
       default: DEFAULT_AUTORATER_MODEL_NAME,
-      descript: 'Model to use when automatically rating generated code',
+      description: 'Model to use when automatically rating generated code',
     })
     .strict()
     .version(false)