diff --git a/README.rst b/README.rst
index 6a61fc9..47a288a 100644
--- a/README.rst
+++ b/README.rst
@@ -28,7 +28,7 @@ Running examples
 .. code-block:: python
 
     >>> CLIENT_ACCESS_TOKEN = '<YOUR_CLIENT_ACCESS_TOKEN>'
-    >>> SUBSCRIBTION_KEY = '<YOUR_SUBSCRIBTION_KEY>' 
+    >>> SUBSCRIPTION_KEY = '<YOUR_SUBSCRIPTION_KEY>' 
     ...
 
 Features
diff --git a/apiai/apiai.py b/apiai/apiai.py
index c5a3800..b49e24e 100644
--- a/apiai/apiai.py
+++ b/apiai/apiai.py
@@ -41,7 +41,7 @@ class ApiAI(object):
     Basic Usage::
 
         >>> import apiai
-        >>> ai = apiai.ApiAI(<CLIENT_ACCESS_TOKEN>, <SUBSCRIBTION_KEY>)
+        >>> ai = apiai.ApiAI(<CLIENT_ACCESS_TOKEN>, <SUBSCRIPTION_KEY>)
         >>> text_request = ai.text_request()
         >>> ...
     """
diff --git a/examples/pyaudio_example.py b/examples/pyaudio_example.py
index fa95728..02a3038 100644
--- a/examples/pyaudio_example.py
+++ b/examples/pyaudio_example.py
@@ -18,14 +18,14 @@
 RECORD_SECONDS = 2
 
 CLIENT_ACCESS_TOKEN = 'YOUR_ACCESS_TOKEN'
-SUBSCRIBTION_KEY = 'YOUR_SUBSCRIPTION_KEY' 
+SUBSCRIPTION_KEY = 'YOUR_SUBSCRIPTION_KEY' 
 
 def main():
     resampler = apiai.Resampler(source_samplerate=RATE)
 
     vad = apiai.VAD()
 
-    ai = apiai.ApiAI(CLIENT_ACCESS_TOKEN, SUBSCRIBTION_KEY)
+    ai = apiai.ApiAI(CLIENT_ACCESS_TOKEN, SUBSCRIPTION_KEY)
 
     request = ai.voice_request()
 
diff --git a/examples/send_file_example.py b/examples/send_file_example.py
index f1ff492..9147ed6 100644
--- a/examples/send_file_example.py
+++ b/examples/send_file_example.py
@@ -17,10 +17,10 @@
 from codecs import open
 
 CLIENT_ACCESS_TOKEN = 'YOUR_ACCESS_TOKEN'
-SUBSCRIBTION_KEY = 'YOUR_SUBSCRIPTION_KEY' 
+SUBSCRIPTION_KEY = 'YOUR_SUBSCRIPTION_KEY' 
 
 def main():
-    ai = apiai.ApiAI(CLIENT_ACCESS_TOKEN, SUBSCRIBTION_KEY)
+    ai = apiai.ApiAI(CLIENT_ACCESS_TOKEN, SUBSCRIPTION_KEY)
 
     request = ai.voice_request()
 
diff --git a/examples/send_text_example.py b/examples/send_text_example.py
index 3992216..ce51a3d 100644
--- a/examples/send_text_example.py
+++ b/examples/send_text_example.py
@@ -13,10 +13,10 @@
 import scipy.io.wavfile as wav
 
 CLIENT_ACCESS_TOKEN = 'YOUR_ACCESS_TOKEN'
-SUBSCRIBTION_KEY = 'YOUR_SUBSCRIPTION_KEY' 
+SUBSCRIPTION_KEY = 'YOUR_SUBSCRIPTION_KEY' 
 
 def main():
-    ai = apiai.ApiAI(CLIENT_ACCESS_TOKEN, SUBSCRIBTION_KEY)
+    ai = apiai.ApiAI(CLIENT_ACCESS_TOKEN, SUBSCRIPTION_KEY)
 
     request = ai.text_request()
 
diff --git a/tests/test_actions.py b/tests/test_actions.py
index b6322fe..d8ccba3 100644
--- a/tests/test_actions.py
+++ b/tests/test_actions.py
@@ -12,11 +12,11 @@
     import apiai
 
 CLIENT_ACCESS_TOKEN = '09604c7f91ce4cd8a4ede55eb5340b9d'
-SUBSCRIBTION_KEY = '4c91a8e5-275f-4bf0-8f94-befa78ef92cd'
+SUBSCRIPTION_KEY = '4c91a8e5-275f-4bf0-8f94-befa78ef92cd'
 
 class TestActions(unittest.TestCase):
     def setUp(self):
-        self.ai = apiai.ApiAI(CLIENT_ACCESS_TOKEN, SUBSCRIBTION_KEY)
+        self.ai = apiai.ApiAI(CLIENT_ACCESS_TOKEN, SUBSCRIPTION_KEY)
 
     def load_text_request_with_quiery(self, query=None, resetContexts=False, entities=None):
         if not query: