fix bad code example

README.md

@@ -17,7 +17,7 @@ Provide feedback or raise issues to [Selenium Project](https://github.com/Seleni
 If you cannot upgrade to Selenium 4.11, Webdrivers 5.3.0 will continue to support Ruby 2.6+ and Selenium 4.0 - 4.10
 
 If you are using an older version of webdrivers gem, and cannot upgrade, you can set
-the required version of chromedriver to v114 (`Webdrivers.required_version = '114.0.5735.90'`) and 
+the required version of chromedriver to v114 (`Webdrivers::Chromedriver.required_version = '114.0.5735.90'`) and 
 [Disable the build check](https://www.selenium.dev/documentation/webdriver/browsers/chrome/#disabling-build-check). 
 This is not guaranteed to continue working and will not receive bug fixes.