diff --git a/upgrade_pythoncapi.py b/upgrade_pythoncapi.py
index 68b5c53..4348e70 100755
--- a/upgrade_pythoncapi.py
+++ b/upgrade_pythoncapi.py
@@ -507,7 +507,7 @@ def __init__(self, args=None):
         self.operations = None
         self.applied_operations = set()
 
-        # Set temporariliy by patch()
+        # Set temporarily by patch()
         self._has_pythoncapi_compat = None
         self._applied_operations = None