diff --git a/samples/model-builder/model_registry/assign_aliases_model_version_sample.py b/samples/model-builder/model_registry/assign_aliases_model_version_sample.py
index e9b1d3178e..38a1582c47 100644
--- a/samples/model-builder/model_registry/assign_aliases_model_version_sample.py
+++ b/samples/model-builder/model_registry/assign_aliases_model_version_sample.py
@@ -32,15 +32,15 @@ def assign_aliases_model_version_sample(
         model_id: The ID of the model.
         version_aliases: The version aliases to assign.
         version_id: The version ID of the model to assign the aliases to.
-        project: The project name.
-        location: The location name.
+        project: The project ID.
+        location: The region name.
     Returns
         None.
     """
     # Initialize the client.
     aiplatform.init(project=project, location=location)
 
-    # Initialize the Model Registry resource with the ID 'model_id'.The parent_name of create method can be also
+    # Initialize the Model Registry resource with the ID 'model_id'.The parent_name of the Model resource can be also
     # 'projects/<your-project-id>/locations/<your-region>/models/<your-model-id>'
     model_registry = aiplatform.models.ModelRegistry(model=model_id)
 
diff --git a/samples/model-builder/model_registry/create_aliased_model_sample.py b/samples/model-builder/model_registry/create_aliased_model_sample.py
index f66b2dd6f9..0ece6153aa 100644
--- a/samples/model-builder/model_registry/create_aliased_model_sample.py
+++ b/samples/model-builder/model_registry/create_aliased_model_sample.py
@@ -25,8 +25,8 @@ def create_aliased_model_sample(
     Args:
         model_id: The ID of the model to initialize. Parent resource name of the model is also accepted.
         version_id: The version ID or version alias of the model to initialize.
-        project: The project.
-        location: The location.
+        project: The project ID.
+        location: The region name.
     Returns:
         Model resource.
     """
diff --git a/samples/model-builder/model_registry/create_default_model_sample.py b/samples/model-builder/model_registry/create_default_model_sample.py
index 9228e03a6a..be5db3d781 100644
--- a/samples/model-builder/model_registry/create_default_model_sample.py
+++ b/samples/model-builder/model_registry/create_default_model_sample.py
@@ -22,15 +22,15 @@ def create_default_model_sample(model_id: str, project: str, location: str):
     Initialize a Model resource to represent an existing model version with alias 'default'.
     Args:
         model_id: The ID of the model to initialize. Parent resource name of the model is also accepted.
-        project: The project.
-        location: The location.
+        project: The project ID.
+        location: The region name.
     Returns:
         Model resource.
     """
     # Initialize the client.
     aiplatform.init(project=project, location=location)
 
-    # Initialize the Model resource with the ID 'model_id'. The parent_name of create method can be also
+    # Initialize the Model resource with the ID 'model_id'. The parent_name of the Model resource can be also
     # 'projects/<your-project-id>/locations/<your-region>/models/<your-model-id>'
     default_model = aiplatform.Model(model_name=model_id)
 
diff --git a/samples/model-builder/model_registry/create_model_registry_sample.py b/samples/model-builder/model_registry/create_model_registry_sample.py
index 8b853eaff5..e2fe4634a4 100644
--- a/samples/model-builder/model_registry/create_model_registry_sample.py
+++ b/samples/model-builder/model_registry/create_model_registry_sample.py
@@ -22,8 +22,8 @@ def create_model_registry_sample(model_id: str, project: str, location: str):
     Create a ModelRegistry resource associated to model_id
     Args:
         model_id: The ID of the model.
-        project: The project name.
-        location: The location name.
+        project: The project ID.
+        location: The region name.
     Returns:
         ModelRegistry resource.
     """
@@ -31,7 +31,7 @@ def create_model_registry_sample(model_id: str, project: str, location: str):
     # Initialize the client.
     aiplatform.init(project=project, location=location)
 
-    # Initialize the Model Registry resource with the ID 'model_id'.The parent_name of create method can be also
+    # Initialize the Model Registry resource with the ID 'model_id'.The parent_name of Model resource can be also
     # 'projects/<your-project-id>/locations/<your-region>/models/<your-model-id>'
     model_registry = aiplatform.models.ModelRegistry(model=model_id)
 
diff --git a/samples/model-builder/model_registry/delete_aliases_model_version_sample.py b/samples/model-builder/model_registry/delete_aliases_model_version_sample.py
index 6a271d096e..d53d6282bc 100644
--- a/samples/model-builder/model_registry/delete_aliases_model_version_sample.py
+++ b/samples/model-builder/model_registry/delete_aliases_model_version_sample.py
@@ -32,15 +32,15 @@ def delete_aliases_model_version_sample(
         model_id: The ID of the model.
         version_aliases: The version aliases to assign.
         version_id: The version ID of the model to assign the aliases to.
-        project: The project name.
-        location: The location name.
+        project: The project ID.
+        location: The region name.
     Returns
         None.
     """
     # Initialize the client.
     aiplatform.init(project=project, location=location)
 
-    # Initialize the Model Registry resource with the ID 'model_id'.The parent_name of create method can be also
+    # Initialize the Model Registry resource with the ID 'model_id'.The parent_name of Model resource can be also
     # 'projects/<your-project-id>/locations/<your-region>/models/<your-model-id>'
     model_registry = aiplatform.models.ModelRegistry(model=model_id)
 
diff --git a/samples/model-builder/model_registry/delete_model_sample.py b/samples/model-builder/model_registry/delete_model_sample.py
index ce43255bb1..5ad242a4fb 100644
--- a/samples/model-builder/model_registry/delete_model_sample.py
+++ b/samples/model-builder/model_registry/delete_model_sample.py
@@ -23,14 +23,14 @@ def delete_model_sample(model_id: str, project: str, location: str):
     Args:
         model_id: The ID of the model to delete. Parent resource name of the model is also accepted.
         project: The project.
-        location: The location.
+        location: The region name.
     Returns
         None.
     """
     # Initialize the client.
     aiplatform.init(project=project, location=location)
 
-    # Get the model with the ID 'model_id'. The parent_name of delete method can be also
+    # Get the model with the ID 'model_id'. The parent_name of Model resource can be also
     # 'projects/<your-project-id>/locations/<your-region>/models/<your-model-id>'
     model = aiplatform.Model(model_name=model_id)
 
diff --git a/samples/model-builder/model_registry/delete_model_version_sample.py b/samples/model-builder/model_registry/delete_model_version_sample.py
index 1cd857578a..e8a8dcb3bd 100644
--- a/samples/model-builder/model_registry/delete_model_version_sample.py
+++ b/samples/model-builder/model_registry/delete_model_version_sample.py
@@ -25,15 +25,15 @@ def delete_model_version_sample(
     Args:
         model_id: The ID of the model to delete. Parent resource name of the model is also accepted.
         version_id: The version ID or version alias of the model to delete.
-        project: The project.
-        location: The location.
+        project: The project ID.
+        location: The region name.
     Returns
         None.
     """
     # Initialize the client.
     aiplatform.init(project=project, location=location)
 
-    # Initialize the Model Registry resource with the ID 'model_id'.The parent_name of create method can be also
+    # Initialize the Model Registry resource with the ID 'model_id'.The parent_name of Model resource can be also
     # 'projects/<your-project-id>/locations/<your-region>/models/<your-model-id>'
     model_registry = aiplatform.models.ModelRegistry(model=model_id)
 
diff --git a/samples/model-builder/model_registry/get_model_version_info_sample.py b/samples/model-builder/model_registry/get_model_version_info_sample.py
index 00c8e0ae17..7f5e5ee54b 100644
--- a/samples/model-builder/model_registry/get_model_version_info_sample.py
+++ b/samples/model-builder/model_registry/get_model_version_info_sample.py
@@ -25,8 +25,8 @@ def get_model_version_info_sample(
     Args:
         model_id: The ID of the model.
         version_id: The version ID of the model version.
-        project: The project name.
-        location: The location name.
+        project: The project ID.
+        location: The region name.
     Returns:
         VersionInfo resource.
     """
@@ -34,7 +34,7 @@ def get_model_version_info_sample(
     # Initialize the client.
     aiplatform.init(project=project, location=location)
 
-    # Initialize the Model Registry resource with the ID 'model_id'.The parent_name of create method can be also
+    # Initialize the Model Registry resource with the ID 'model_id'.The parent_name of Model resource can be also
     # 'projects/<your-project-id>/locations/<your-region>/models/<your-model-id>'
     model_registry = aiplatform.models.ModelRegistry(model=model_id)
 
diff --git a/samples/model-builder/model_registry/get_registered_model_version_sample.py b/samples/model-builder/model_registry/get_registered_model_version_sample.py
index cda5fcdd63..efae592250 100644
--- a/samples/model-builder/model_registry/get_registered_model_version_sample.py
+++ b/samples/model-builder/model_registry/get_registered_model_version_sample.py
@@ -26,8 +26,8 @@ def get_registered_model_version_sample(
     Get a registered model version.
     Args:
         model_id: The ID of the model. Parent resource name of the model is also accepted.
-        project: The project.
-        location: The location.
+        project: The project ID.
+        location: The region name.
         version_id: The version ID of the model.
     Returns:
         Model resource.
@@ -35,7 +35,7 @@ def get_registered_model_version_sample(
     # Initialize the client.
     aiplatform.init(project=project, location=location)
 
-    # Initialize the Model Registry resource with the ID 'model_id'. The parent_name of get method can be also
+    # Initialize the Model Registry resource with the ID 'model_id'. The parent_name of Model resource can be also
     # 'projects/<your-project-id>/locations/<your-region>/models/<your-model-id>'
     model_registry = aiplatform.models.ModelRegistry(model=model_id)
 
diff --git a/samples/model-builder/model_registry/list_model_versions_with_model_registry_sample.py b/samples/model-builder/model_registry/list_model_versions_with_model_registry_sample.py
index dd4938ec7f..1b43c719ae 100644
--- a/samples/model-builder/model_registry/list_model_versions_with_model_registry_sample.py
+++ b/samples/model-builder/model_registry/list_model_versions_with_model_registry_sample.py
@@ -22,15 +22,15 @@ def list_model_versions_sample(model_id: str, project: str, location: str):
     List all model versions of a model.
     Args:
         model_id: The ID of the model to list. Parent resource name of the model is also accepted.
-        project: The project.
-        location: The location.
+        project: The project ID.
+        location: The region name.
     Returns:
         versions: List of model versions.
     """
     # Initialize the client.
     aiplatform.init(project=project, location=location)
 
-    # Initialize the Model Registry resource with the ID 'model_id'.The parent_name of create method can be also
+    # Initialize the Model Registry resource with the ID 'model_id'.The parent_name of Model resource can be also
     # 'projects/<your-project-id>/locations/<your-region>/models/<your-model-id>'
     model_registry = aiplatform.models.ModelRegistry(model=model_id)
 
diff --git a/samples/model-builder/model_registry/upload_new_aliased_model_version_sample.py b/samples/model-builder/model_registry/upload_new_aliased_model_version_sample.py
index 3a6d4d9711..f4a039a6bd 100644
--- a/samples/model-builder/model_registry/upload_new_aliased_model_version_sample.py
+++ b/samples/model-builder/model_registry/upload_new_aliased_model_version_sample.py
@@ -38,16 +38,16 @@ def upload_new_aliased_model_version_sample(
         is_default_version: Whether this version is the default version of the model.
         version_aliases: The aliases of the model version.
         version_description: The description of the model version.
-        project: The project.
-        location: The location.
+        project: The project ID.
+        location: The region name.
     Returns:
         The new version of the model.
     """
     # Initialize the client.
     aiplatform.init(project=project, location=location)
 
-    # Upload a new aliased version of the Model resource with the ID 'model_id'. The parent_name of upload method can
-    # be also 'projects/<your-project-id>/locations/<your-region>/models/<your-model-id>'
+    # Upload a new aliased version of the Model resource with the ID 'model_id'. The parent_name of Model resource can be also
+    # 'projects/<your-project-id>/locations/<your-region>/models/<your-model-id>'
     model = aiplatform.Model.upload(
         artifact_uri=artifact_uri,
         serving_container_image=serving_container_image,
diff --git a/samples/model-builder/model_registry/upload_new_aliased_model_version_sample_test.py b/samples/model-builder/model_registry/upload_new_aliased_model_version_sample_test.py
index e53082e7d7..56adbc8858 100644
--- a/samples/model-builder/model_registry/upload_new_aliased_model_version_sample_test.py
+++ b/samples/model-builder/model_registry/upload_new_aliased_model_version_sample_test.py
@@ -12,7 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-
 import upload_new_aliased_model_version_sample
 
 import test_constants as constants
diff --git a/samples/model-builder/model_registry/upload_new_default_model_version_sample.py b/samples/model-builder/model_registry/upload_new_default_model_version_sample.py
index 31672b58ba..c038d7497c 100644
--- a/samples/model-builder/model_registry/upload_new_default_model_version_sample.py
+++ b/samples/model-builder/model_registry/upload_new_default_model_version_sample.py
@@ -30,8 +30,8 @@ def upload_new_default_model_version_sample(
         parent_name: The parent resource name of the existing model.
         artifact_uri: The URI of the model artifact to upload.
         serving_container_image: The name of the serving container image to use.
-        project: The project.
-        location: The location.
+        project: The project ID.
+        location: The region name.
 
     Returns:
         The new version of the model.
@@ -39,8 +39,7 @@ def upload_new_default_model_version_sample(
     # Initialize the client.
     aiplatform.init(project=project, location=location)
 
-    # Upload a new default version of the Model resource with the ID 'model_id'.
-    # The parent_name of upload method can be also
+    # Upload a new default version of the Model resource with the ID 'model_id'. The parent_name of Model resource can be also
     # 'projects/<your-project-id>/locations/<your-region>/models/<your-model-id>'
     model = aiplatform.Model.upload(
         artifact_uri=artifact_uri,
diff --git a/samples/model-builder/model_registry/upload_new_default_model_version_sample_test.py b/samples/model-builder/model_registry/upload_new_default_model_version_sample_test.py
index 06e092331f..847763d046 100644
--- a/samples/model-builder/model_registry/upload_new_default_model_version_sample_test.py
+++ b/samples/model-builder/model_registry/upload_new_default_model_version_sample_test.py
@@ -12,7 +12,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-
 import upload_new_default_model_version_sample
 
 import test_constants as constants
diff --git a/samples/model-builder/model_registry/upload_new_model_version_using_custom_training_pipeline_sample.py b/samples/model-builder/model_registry/upload_new_model_version_using_custom_training_pipeline_sample.py
index a5c4d28447..ce56546c54 100644
--- a/samples/model-builder/model_registry/upload_new_model_version_using_custom_training_pipeline_sample.py
+++ b/samples/model-builder/model_registry/upload_new_model_version_using_custom_training_pipeline_sample.py
@@ -54,8 +54,8 @@ def upload_new_model_version_using_custom_training_pipeline(
         model_version_aliases: The aliases of the model version to create.
         model_version_description: The description of the model version.
         is_default_version: Whether the model version is the default version.
-        project: The project.
-        location: The location.
+        project: The project ID.
+        location: The region name.
     Returns:
         The new version of the model.
     """
diff --git a/samples/model-builder/model_registry/upload_new_model_version_using_custom_training_pipeline_test.py b/samples/model-builder/model_registry/upload_new_model_version_using_custom_training_pipeline_test.py
index 39882c1cc9..e4a6457f52 100644
--- a/samples/model-builder/model_registry/upload_new_model_version_using_custom_training_pipeline_test.py
+++ b/samples/model-builder/model_registry/upload_new_model_version_using_custom_training_pipeline_test.py
@@ -12,21 +12,19 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-
 import upload_new_model_version_using_custom_training_pipeline_sample
 
 import test_constants as constants
 
 
 def test_upload_new_model_version_using_custom_training_pipeline_sample(
-    mock_sdk_init,
-    mock_tabular_dataset,
-    mock_get_tabular_dataset,
-    mock_get_custom_training_job,
-    mock_run_custom_training_job,
-    mock_upload_model,
+        mock_sdk_init,
+        mock_tabular_dataset,
+        mock_get_tabular_dataset,
+        mock_get_custom_training_job,
+        mock_run_custom_training_job,
+        mock_upload_model,
 ):
-
     upload_new_model_version_using_custom_training_pipeline_sample.upload_new_model_version_using_custom_training_pipeline(
         display_name=constants.DISPLAY_NAME,
         script_path=constants.SCRIPT_PATH,