Clarify documentation on is_success

diff --git a/OnlinePayment.pm b/OnlinePayment.pm
index 4165451..80ee195 100644 (file)
--- a/OnlinePayment.pm
+++ b/OnlinePayment.pm
@@ -635,8 +635,9 @@ Submit the transaction to the processor for completion
 
 =head2 is_success()
 
-Returns true if the transaction was submitted successfully, false if
-it failed (or undef if it has not been submitted yet).
+Returns true if the transaction was approved by the gateway, false if 
+it was submitted but not approved, or undef if it has not been 
+submitted yet.
 
 =head2 error_message()