Improve doc

Author: bogdan

Readme.md

@@ -331,16 +331,18 @@ Options to configure JavaScript file generator. These options are only available
 * `optional_definition_params` - make all route paramters in definition optional
   * See [related compatibility issue](#optional-definition-params)
   * Default: `false`
-* `banner` - specify the comment on top of the file.
+* `banner` - specify a JSDoc comment on top of the file.
   * It is not stripped by minifiers by default and helps to originate the content when debugging the build.
   * You may want to control how much information from backend is exposed to potential attacker at the cost of your own comfort.
   * See [JSDoc Guide](https://github.com/shri/JSDoc-Style-Guide/blob/master/README.md#files)
   * Supports a lazy generation with `Proc`.
   * Default: A string that generates the following:
 
 ```
-File generated by js-routes 2.3.1 on <TIMESTAMP>
-Based on Rails 7.2.0 routes of App
+/**
+ * File generated by js-routes 2.3.1 on 2024-12-04 09:45:59 +0100
+ * Based on Rails 7.2.0 routes of App
+ */
 ```
 
 <div id="formatter-options"></div>