diff --git a/pyicloud/base.py b/pyicloud/base.py
index da1246a..488864f 100644
--- a/pyicloud/base.py
+++ b/pyicloud/base.py
@@ -12,9 +12,9 @@ from re import match
 
 from pyicloud.exceptions import (
     PyiCloudFailedLoginException,
-    PyiCloudAPIResponseError,
-    PyiCloud2SARequiredError,
-    PyiCloudServiceNotActivatedErrror
+    PyiCloudAPIResponseException,
+    PyiCloud2SARequiredException,
+    PyiCloudServiceNotActivatedException
 )
 from pyicloud.services import (
     FindMyiPhoneServiceManager,
@@ -73,7 +73,7 @@ class PyiCloudSession(requests.Session):
 
         if not response.ok and content_type not in json_mimetypes:
             if kwargs.get('retried') is None and response.status_code == 450:
-                api_error = PyiCloudAPIResponseError(
+                api_error = PyiCloudAPIResponseException(
                     response.reason,
                     response.status_code,
                     retry=True
@@ -114,11 +114,11 @@ class PyiCloudSession(requests.Session):
     def _raise_error(self, code, reason):
         if self.service.requires_2sa and \
                 reason == 'Missing X-APPLE-WEBAUTH-TOKEN cookie':
-            raise PyiCloud2SARequiredError(self.service.user['apple_id'])
+            raise PyiCloud2SARequiredException(self.service.user['apple_id'])
         if code == 'ZONE_NOT_FOUND' or code == 'AUTHENTICATION_FAILED':
             reason = 'Please log into https://icloud.com/ to manually ' \
                 'finish setting up your iCloud service'
-            api_error = PyiCloudServiceNotActivatedErrror(reason, code)
+            api_error = PyiCloudServiceNotActivatedException(reason, code)
             logger.error(api_error)
 
             raise(api_error)
@@ -127,7 +127,7 @@ class PyiCloudSession(requests.Session):
                 'again.  The remote servers might be trying to ' \
                 'throttle requests.'
 
-        api_error = PyiCloudAPIResponseError(reason, code)
+        api_error = PyiCloudAPIResponseException(reason, code)
         logger.error(api_error)
         raise api_error
 
@@ -221,7 +221,7 @@ class PyiCloudService(object):
                 params=self.params,
                 data=json.dumps(data)
             )
-        except PyiCloudAPIResponseError as error:
+        except PyiCloudAPIResponseException as error:
             msg = 'Invalid email/password combination.'
             raise PyiCloudFailedLoginException(msg, error)
 
@@ -286,7 +286,7 @@ class PyiCloudService(object):
                 params=self.params,
                 data=data
             )
-        except PyiCloudAPIResponseError as error:
+        except PyiCloudAPIResponseException as error:
             if error.code == -21669:
                 # Wrong verification code
                 return False
diff --git a/pyicloud/exceptions.py b/pyicloud/exceptions.py
index e9eb6f5..c26f23f 100644
--- a/pyicloud/exceptions.py
+++ b/pyicloud/exceptions.py
@@ -7,7 +7,7 @@ class PyiCloudNoDevicesException(PyiCloudException):
     pass
 
 
-class PyiCloudAPIResponseError(PyiCloudException):
+class PyiCloudAPIResponseException(PyiCloudException):
     def __init__(self, reason, code, retry=False):
         self.reason = reason
         self.code = code
@@ -17,22 +17,22 @@ class PyiCloudAPIResponseError(PyiCloudException):
         if retry:
             message += ". Retrying ..."
 
-        super(PyiCloudAPIResponseError, self).__init__(message)
+        super(PyiCloudAPIResponseException, self).__init__(message)
 
 
 class PyiCloudFailedLoginException(PyiCloudException):
     pass
 
 
-class PyiCloud2SARequiredError(PyiCloudException):
+class PyiCloud2SARequiredException(PyiCloudException):
     def __init__(self, apple_id):
         message = "Two-step authentication required for account: %s" % apple_id
-        super(PyiCloud2SARequiredError, self).__init__(message)
+        super(PyiCloud2SARequiredException, self).__init__(message)
 
 
-class NoStoredPasswordAvailable(PyiCloudException):
+class PyiCloudNoStoredPasswordAvailableException(PyiCloudException):
     pass
 
 
-class PyiCloudServiceNotActivatedErrror(PyiCloudAPIResponseError):
+class PyiCloudServiceNotActivatedException(PyiCloudAPIResponseException):
     pass
diff --git a/pyicloud/services/photos.py b/pyicloud/services/photos.py
index e2dc74b..9a5f777 100644
--- a/pyicloud/services/photos.py
+++ b/pyicloud/services/photos.py
@@ -4,7 +4,7 @@ import logging
 import base64
 
 from datetime import datetime
-from pyicloud.exceptions import PyiCloudServiceNotActivatedErrror
+from pyicloud.exceptions import PyiCloudServiceNotActivatedException
 import pytz
 
 from future.moves.urllib.parse import urlencode
@@ -159,7 +159,7 @@ class PhotosService(object):
         response = request.json()
         indexing_state = response['records'][0]['fields']['state']['value']
         if indexing_state != 'FINISHED':
-            raise PyiCloudServiceNotActivatedErrror(
+            raise PyiCloudServiceNotActivatedException(
                 ('iCloud Photo Library not finished indexing.  Please try '
                  'again in a few minutes'), None)
 
diff --git a/pyicloud/utils.py b/pyicloud/utils.py
index 378b52c..b7da91d 100644
--- a/pyicloud/utils.py
+++ b/pyicloud/utils.py
@@ -2,7 +2,7 @@ import getpass
 import keyring
 import sys
 
-from .exceptions import NoStoredPasswordAvailable
+from .exceptions import PyiCloudNoStoredPasswordAvailableException
 
 
 KEYRING_SYSTEM = 'pyicloud://icloud-password'
@@ -11,7 +11,7 @@ KEYRING_SYSTEM = 'pyicloud://icloud-password'
 def get_password(username, interactive=sys.stdout.isatty()):
     try:
         return get_password_from_keyring(username)
-    except NoStoredPasswordAvailable:
+    except PyiCloudNoStoredPasswordAvailableException:
         if not interactive:
             raise
 
@@ -25,7 +25,7 @@ def get_password(username, interactive=sys.stdout.isatty()):
 def password_exists_in_keyring(username):
     try:
         get_password_from_keyring(username)
-    except NoStoredPasswordAvailable:
+    except PyiCloudNoStoredPasswordAvailableException:
         return False
 
     return True
@@ -37,7 +37,7 @@ def get_password_from_keyring(username):
         username
     )
     if result is None:
-        raise NoStoredPasswordAvailable(
+        raise PyiCloudNoStoredPasswordAvailableException(
             "No pyicloud password for {username} could be found "
             "in the system keychain.  Use the `--store-in-keyring` "
             "command-line option for storing a password for this "