diff --git a/Makefile b/Makefile
index ac4084e..2725b63 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-.PHONY: analysis all build clean docs docs-install docs-open install release release-test test venv 
+.PHONY: analysis all build clean docs docs-install docs-open install release release-test test venv
 
 all: clean venv install
 
diff --git a/sparkpost/base.py b/sparkpost/base.py
index 4c3c467..35808c0 100644
--- a/sparkpost/base.py
+++ b/sparkpost/base.py
@@ -37,6 +37,7 @@ def request(self, method, uri, **kwargs):
             'Content-Type': 'application/json',
             'Authorization': self.api_key
         }
+        print uri, kwargs
         response = self.transport.request(method, uri, headers=headers,
                                           **kwargs)
         return response
diff --git a/sparkpost/transmissions.py b/sparkpost/transmissions.py
index 670bb94..9b84ee1 100644
--- a/sparkpost/transmissions.py
+++ b/sparkpost/transmissions.py
@@ -2,6 +2,7 @@
 import copy
 import json
 import warnings
+
 from email.utils import parseaddr
 
 from .base import Resource
@@ -276,7 +277,10 @@ def list(self, **kwargs):
         :returns: list of transmissions
         :raises: :exc:`SparkPostAPIException` if API call fails
         """
-        warnings.warn('deprecated', DeprecationWarning)
+        warn_msg = 'This endpoint is deprecated. For details, '
+        'check https://sparkpo.st/5qcj4.'
+
+        warnings.warn(warn_msg, DeprecationWarning)
         return self.request('GET', self.uri, params=kwargs)
 
     def delete(self, transmission_id):
diff --git a/test/test_transmissions.py b/test/test_transmissions.py
index 1035329..172dcb7 100644
--- a/test/test_transmissions.py
+++ b/test/test_transmissions.py
@@ -3,11 +3,11 @@
 import os
 import tempfile
 import warnings
-from mock import patch
 
 import pytest
 import responses
 import six
+from mock import patch
 
 from sparkpost import SparkPost
 from sparkpost import Transmissions