THRIFT-4712: Improve Performance and Refactor ShortStack
diff --git a/lib/java/README.md b/lib/java/README.md
index cdd4059..0b5f0d8 100644
--- a/lib/java/README.md
+++ b/lib/java/README.md
@@ -170,3 +170,7 @@
 public to default (package) and will no longer be accessible by third-party
 libraries.
 
+The access modifier of the ShortStack class has been changed from
+public to default (package) and will no longer be accessible by third-party
+libraries.
+