diff --git a/cryptlib.h b/cryptlib.h
index 840c3a45..8f38e70b 100644
--- a/cryptlib.h
+++ b/cryptlib.h
@@ -716,7 +716,7 @@ protected:
 
 	//! \brief Validates the IV length
 	//! \param length the size of an IV, in bytes
-	//! \throws InvalidArgument if the number of rounds are invalid
+	//! \throws InvalidArgument if the IV length is invalid
 	size_t ThrowIfInvalidIVLength(int length);
 
 	//! \brief Retrieves and validates the IV