Update README.md

Author: eagostinelli

Scripts/Services/Assistant/v1/README.md

@@ -82,7 +82,7 @@ private void OnMessage1(object resp, Dictionary<string, object> customData)
 ```
 
 
-- Send a message perserving conversation context - Extract code from [ExamplesAssistant.cs](https://github.com/watson-developer-cloud/unity-sdk/blob/develop/Examples/ServiceExamples/Scripts/ExampleAssistant.cs)
+- Send a message perserving conversation context - Extract code from [ExampleAssistant.cs](https://github.com/watson-developer-cloud/unity-sdk/blob/develop/Examples/ServiceExamples/Scripts/ExampleAssistant.cs)
 ```cs
 
 private void Message()