diff --git a/scala-package/core/src/main/scala/org/apache/mxnet/NDArrayCollector.scala b/scala-package/core/src/main/scala/org/apache/mxnet/NDArrayCollector.scala
index 3952b73cfb06..0b7f9af705f1 100644
--- a/scala-package/core/src/main/scala/org/apache/mxnet/NDArrayCollector.scala
+++ b/scala-package/core/src/main/scala/org/apache/mxnet/NDArrayCollector.scala
@@ -133,6 +133,10 @@ class NDArrayCollector private(private val autoDispose: Boolean = true,
* If the return type of scope is NDArray or NDArrayFuncReturn,
* it is smart enough NOT to collect or dispose the returned NDArray.
* However in other cases, it is users' responsibility NOT to leak allocated NDArrays outside.
+ *
+ * We might switch to try -with-resources statement (by AutoCloseable in Java 1.7+)
+ * and deprecate this method later, thus it is marked as Experimental.
+ *
* @param codeBlock code block to be executed within the scope.
* @tparam T return type of the function codeBlock.
* @return The result of function codeBlock.
diff --git a/scala-package/core/src/main/scala/org/apache/mxnet/annotation/Experimental.scala b/scala-package/core/src/main/scala/org/apache/mxnet/annotation/Experimental.scala
index 147d651fb04f..d63194d48bc5 100644
--- a/scala-package/core/src/main/scala/org/apache/mxnet/annotation/Experimental.scala
+++ b/scala-package/core/src/main/scala/org/apache/mxnet/annotation/Experimental.scala
@@ -21,7 +21,7 @@ import java.lang.annotation.{ElementType, Retention, Target, _}
/**
* Experimental: there is a comparably high chance that
- * the API will undergo some kind of changes
+ * the API will be changed or removed.
*/
@Retention(RetentionPolicy.RUNTIME)
@Target(Array(ElementType.TYPE, ElementType.FIELD, ElementType.METHOD, ElementType.PARAMETER,