diff --git a/akka-docs/rst/project/migration-guide-2.3.x-2.4.x.rst b/akka-docs/rst/project/migration-guide-2.3.x-2.4.x.rst
index ed37821885..4df7b3d87c 100644
--- a/akka-docs/rst/project/migration-guide-2.3.x-2.4.x.rst
+++ b/akka-docs/rst/project/migration-guide-2.3.x-2.4.x.rst
@@ -151,6 +151,13 @@ If you use ``Slf4jLogger`` you should add the following configuration::
 It will filter the log events using the backend configuration (e.g. logback.xml) before
 they are published to the event bus.
 
+Inbox.receive Java API
+======================
+
+``Inbox.receive`` now throws a checked ``java.util.concurrent.TimeoutException`` exception if the receive timeout
+is reached.
+
+
 Pool routers nrOfInstances method now takes ActorSystem
 =======================================================