diff --git a/pySim/cards.py b/pySim/cards.py
index 3577d8d..9be04ff 100644
--- a/pySim/cards.py
+++ b/pySim/cards.py
@@ -533,7 +533,7 @@
 		# set Ki in proprietary file
 		data, sw = self._scc.update_binary('00FF', p['ki'])
 
-		# set Ki in proprietary file
+		# set OPc in proprietary file
 		content = "01" + p['opc']
 		data, sw = self._scc.update_binary('00F7', content)