diff --git a/cwt/cose.py b/cwt/cose.py
index 130007a..2890b3c 100644
--- a/cwt/cose.py
+++ b/cwt/cose.py
@@ -26,7 +26,7 @@
 
 class COSE(CBORProcessor):
     """
-    A COSE (CBOR Object Signing and Encryption) Implementaion built on top of
+    A COSE (CBOR Object Signing and Encryption) Implementation built on top of
     `cbor2 <https://cbor2.readthedocs.io/en/stable/>`_.
     """