Update README.md

Author: fehguy

README.md

@@ -65,7 +65,7 @@ Of course if you don't want to build locally you can grab artifacts from maven c
 `http://repo1.maven.org/maven2/com/wordnik/`
 
 ## Sample Apps
-There are a number of sample apps in the `samples` folder:
+There are a number of sample apps in the [samples](https://github.com/swagger-api/swagger-core/tree/master/samples) folder:
 
 [java-jaxrs](https://github.com/swagger-api/swagger-core/tree/master/samples/java-jaxrs/README.md) Java-based swagger server with JAX-RS
 
@@ -94,7 +94,7 @@ To run the Play2 sample apps:
 ```
 cd samples/java-play2
 
-play run
+sbt run
 ```
 
 License