message: update instruction for cleaning CocoaPods cache.
diff: @@ -34,8 +34,9 @@ target 'YourProjectName'
  pod 'TensorFlowLiteSwift', '~> 0.0.1-nightly'
  ```
  -Note: After updating `Podfile`, you should run `pod cache clean` and `pod
  -update` to reflect changes.
  +Note: After updating `Podfile`, you should run `pod update` to reflect changes.
  +If you can't see the latest `CoreMLDelegate.swift` file, try running `pod cache
  +clean TensorFlowLiteSwift`.
  ### Swift
  