fix code

Author: Delta456

javascript/selenium-webdriver/index.js

@@ -682,9 +682,8 @@ class Builder {
         }
         // Allocate a free port for the websocket only when not connecting to an existing instance
         // This avoids conflicts when multiple Firefox instances have started
-        if (!service?.args.includes('--connect-existing')) {
-          service?.args.push('--websocket-port')
-          service?.args.push(`${portprober.findFreePort()}`)
+        if (!service?.options_.args.includes('--connect-existing')) {
+          service?.addArguments('--websocket-port', `${portprober.findFreePort()}`)
         }
         return createDriver(firefox.Driver, capabilities, service)
       }

javascript/selenium-webdriver/remote/index.js

@@ -314,7 +314,7 @@ DriverService.DEFAULT_START_TIMEOUT_MS = 30 * 1000
  */
 DriverService.Builder = class {
   /**
-   * @param {string} exe Path to the executable to use. This executable must
+   * @param {string} exex Path to the executable to use. This executable must
    *     accept the `--port` flag for defining the port to start the server on.
    * @throws {Error} If the provided executable path does not exist.
    */