diff --git a/twython/twython.py b/twython/twython.py
index 415b145..f6d0fc8 100644
--- a/twython/twython.py
+++ b/twython/twython.py
@@ -217,10 +217,10 @@ class Twython(object):
             This will return None if the header is not present
 
             Most useful for the following header information:
-                x-ratelimit-limit
-                x-ratelimit-remaining
-                x-ratelimit-class
-                x-ratelimit-reset
+                x-rate-limit-limit
+                x-rate-limit-remaining
+                x-rate-limit-class
+                x-rate-limit-reset
         """
         if self._last_call is None:
             raise TwythonError('This function must be called after an API call.  It delivers header information.')