diff --git a/merkletools/__init__.py b/merkletools/__init__.py
index a1b338b..e95a28c 100644
--- a/merkletools/__init__.py
+++ b/merkletools/__init__.py
@@ -18,7 +18,7 @@ def __init__(self, hash_type="sha256"):
                          'sha3_256', 'sha3_224', 'sha3_384', 'sha3_512']:
             self.hash_function = getattr(hashlib, hash_type)
         else:
-            raise Exception('`hash_type` {} nor supported'.format(hash_type))
+            raise Exception('`hash_type` {} not supported'.format(hash_type))
 
         self.reset_tree()