Update README.md

Author: jornfranke

README.md

@@ -11,4 +11,5 @@ The example provides two functions:
 * calcR(x,y) to let the Scala class call R (using JRI) to calculate within R the sum of x+y
 
 # build
-You can run the build process of the JAR package that contains the Scala class by entering the subdirectory "scala" and run there "build.sh". This shell script uses [http://www.scala-sbt.org/ sbt] to assemble a JAR and [http://www.scalatest.org/ ScalaTest] to unit test the Scala methods.
+You can run the build process of the JAR package that contains the Scala class by entering the subdirectory "scala" and run there "build.sh". This shell script uses [sbt](http://www.scala-sbt.org/) to assemble a JAR and [ScalaTest] (http://www.scalatest.org/) to unit test the Scala methods.
+By using these tools, you can ensure a proper build and quality process for your Scala classes/methods used from R.