diff --git a/great_ai/__main__.py b/great_ai/__main__.py
index bea5f9c..ec4915d 100644
--- a/great_ai/__main__.py
+++ b/great_ai/__main__.py
@@ -184,7 +184,7 @@ def find_app(file_name: str) -> Optional[str]:
         logger.info(f"Found `{app_name}` to be the GreatAI app ")
     else:
         raise MissingArgumentError(
-            "GreatAI app could not be found, make sure to use `@GreatAI.deploy` on your prediction function"
+            "GreatAI app could not be found, make sure to use `@GreatAI.create` on your prediction function"
         )
 
     return f"{file_name}:{app_name}.app"
diff --git a/great_ai/helper/assert_function_is_not_finalised.py b/great_ai/helper/assert_function_is_not_finalised.py
index 08da383..0d6f950 100644
--- a/great_ai/helper/assert_function_is_not_finalised.py
+++ b/great_ai/helper/assert_function_is_not_finalised.py
@@ -6,8 +6,8 @@ from .get_function_metadata_store import get_function_metadata_store
 
 def assert_function_is_not_finalised(func: Callable) -> None:
     error_message = (
-        "The outer-most (first) decorator has to be `@GreatAI.deploy`. "
-        + f"In the case of `{func.__name__}`, it is not: fix this by moving `@GreatAI.deploy` to the top."
+        "The outer-most (first) decorator has to be `@GreatAI.create`. "
+        + f"In the case of `{func.__name__}`, it is not: fix this by moving `@GreatAI.create` to the top."
     )
 
     if get_function_metadata_store(func).is_finalised: