diff --git a/The-simplest-and-smallest-spark-cluster-you-can-build.md b/The-simplest-and-smallest-spark-cluster-you-can-build.md
index a7b83a2..467e7a0 100644
--- a/The-simplest-and-smallest-spark-cluster-you-can-build.md
+++ b/The-simplest-and-smallest-spark-cluster-you-can-build.md
@@ -121,4 +121,6 @@ from boards
          )
     .toPandas()
 )
-```
\ No newline at end of file
+```
+
+Spark API changes quite often. This snippet is recent at the time of writing this article.
\ No newline at end of file