fixed typo in README (dapr#290)

* fixed typo in README

* Update README.md

Co-authored-by: Artur Souza <[email protected]>

Author: moderakh

examples/src/main/java/io/dapr/examples/invoke/http/README.md

@@ -1,6 +1,6 @@
 # Method invocation Sample
 
-In this sample, we'll create a two java applications: An demo service application which exposes a method and a client application which will invoke the method from demo service using Dapr.
+In this sample, we'll create two java applications: a service application which exposes a method and a client application which will invoke the method from the service using Dapr.
 This sample includes:
 
 * DemoService (Exposes the method to be remotely accessed)
@@ -128,4 +128,4 @@ Once running, the output should display the messages sent from invoker in the de
 
 Method have been remotely invoked and displaying the remote messages.
 
-For more details on Dapr Spring Boot integration, please refer to [Dapr Spring Boot](../../../springboot/DaprApplication.java) Application implementation.
+For more details on Dapr Spring Boot integration, please refer to [Dapr Spring Boot](../../../springboot/DaprApplication.java) Application implementation.