diff --git a/message_passing/update_with_start/lazy_init/README.md b/message_passing/update_with_start/lazy_initialization/README.md
similarity index 100%
rename from message_passing/update_with_start/lazy_init/README.md
rename to message_passing/update_with_start/lazy_initialization/README.md
diff --git a/message_passing/update_with_start/lazy_init/__init__.py b/message_passing/update_with_start/lazy_initialization/__init__.py
similarity index 100%
rename from message_passing/update_with_start/lazy_init/__init__.py
rename to message_passing/update_with_start/lazy_initialization/__init__.py
diff --git a/message_passing/update_with_start/lazy_init/activities.py b/message_passing/update_with_start/lazy_initialization/activities.py
similarity index 100%
rename from message_passing/update_with_start/lazy_init/activities.py
rename to message_passing/update_with_start/lazy_initialization/activities.py
diff --git a/message_passing/update_with_start/lazy_init/starter.py b/message_passing/update_with_start/lazy_initialization/starter.py
similarity index 96%
rename from message_passing/update_with_start/lazy_init/starter.py
rename to message_passing/update_with_start/lazy_initialization/starter.py
index b6dd61a3..b5e95cb9 100644
--- a/message_passing/update_with_start/lazy_init/starter.py
+++ b/message_passing/update_with_start/lazy_initialization/starter.py
@@ -10,7 +10,7 @@
     WorkflowUpdateFailedError,
 )
 
-from message_passing.update_with_start.lazy_init.workflows import (
+from message_passing.update_with_start.lazy_initialization.workflows import (
     ShoppingCartItem,
     ShoppingCartWorkflow,
 )
diff --git a/message_passing/update_with_start/lazy_init/worker.py b/message_passing/update_with_start/lazy_initialization/worker.py
similarity index 89%
rename from message_passing/update_with_start/lazy_init/worker.py
rename to message_passing/update_with_start/lazy_initialization/worker.py
index c6cc05ad..e3743f64 100644
--- a/message_passing/update_with_start/lazy_init/worker.py
+++ b/message_passing/update_with_start/lazy_initialization/worker.py
@@ -4,7 +4,7 @@
 from temporalio.client import Client
 from temporalio.worker import Worker
 
-from message_passing.update_with_start.lazy_init import TASK_QUEUE, workflows
+from message_passing.update_with_start.lazy_initialization import TASK_QUEUE, workflows
 
 interrupt_event = asyncio.Event()
 
diff --git a/message_passing/update_with_start/lazy_init/workflows.py b/message_passing/update_with_start/lazy_initialization/workflows.py
similarity index 94%
rename from message_passing/update_with_start/lazy_init/workflows.py
rename to message_passing/update_with_start/lazy_initialization/workflows.py
index 28834e25..a65af4e8 100644
--- a/message_passing/update_with_start/lazy_init/workflows.py
+++ b/message_passing/update_with_start/lazy_initialization/workflows.py
@@ -5,7 +5,7 @@
 from temporalio import workflow
 from temporalio.exceptions import ApplicationError
 
-from message_passing.update_with_start.lazy_init.activities import (
+from message_passing.update_with_start.lazy_initialization.activities import (
     ShoppingCartItem,
     get_price,
 )