diff --git a/Runtime-Environments.md b/Runtime-Environments.md
index 79fed03..ab8aae4 100644
--- a/Runtime-Environments.md
+++ b/Runtime-Environments.md
@@ -61,7 +61,7 @@ Python is currently installed with pip packages for TensorFlow support, so it ca
 
 ## Scala
 
-TODO
+Scala source codes are compiled to class files with `scalac` compiler and then executed with `scala` runtime, which takes care of executing JVM with scala dependencies. Like Java, even Scala uses our [javarun](https://github.com/ReCodEx/utils/blob/master/runners/java/javarun.java) wrapper executor which finds `main` method and executes it.
 
 ## Groovy