Improving language

src/Codeception/Module/Symfony.php

@@ -305,7 +305,7 @@ protected function getKernelClass(): string
  throw new ModuleRequireException(
  self::class,
  "Can't load Kernel from {$path}.\n"
- . 'Directory does not exists. Use `app_path` parameter to provide valid application path'
+ . 'Directory does not exist. Set `app_path` in your suite configuration to a valid application path.'
  );
  }