Spelling and grammar fix (#139)

scop · alexwlchan · commit 809ffe75b1fe · 2019-10-21T17:57:01.000+01:00
diff --git a/HISTORY.rst b/HISTORY.rst
@@ -9,7 +9,7 @@ Release History
 
 **API Changes (Backward-compatible)**
 
-- Add a new ENABLE_CONNECT_PROTOCOL settings paramter.
+- Add a new ENABLE_CONNECT_PROTOCOL settings parameter.
 
 **Other Changes**
 
diff --git a/hyperframe/exceptions.py b/hyperframe/exceptions.py
@@ -9,7 +9,7 @@
 
 class UnknownFrameError(ValueError):
     """
-    An frame of unknown type was received.
+    A frame of unknown type was received.
     """
     def __init__(self, frame_type, length):
         #: The type byte of the unknown frame that was received.
