diff --git a/src/main/scala/playground/TryOut.scala b/src/main/scala/playground/DigitsExample.scala
similarity index 97%
rename from src/main/scala/playground/TryOut.scala
rename to src/main/scala/playground/DigitsExample.scala
index 5cc88a7..e79350b 100644
--- a/src/main/scala/playground/TryOut.scala
+++ b/src/main/scala/playground/DigitsExample.scala
@@ -3,7 +3,7 @@ package playground
 import ml.dmlc.mxnet._
 import ml.dmlc.mxnet.optimizer.SGD
 
-object TryOut extends App {
+object DigitsExample extends App {
 
   // model definition
   val data = Symbol.Variable("data")