diff --git a/ideal/includes/ideal.transaction.inc b/ideal/includes/ideal.transaction.inc
index b1b8708..5919735 100644
--- a/ideal/includes/ideal.transaction.inc
+++ b/ideal/includes/ideal.transaction.inc
@@ -664,7 +664,7 @@ class iDEALAcquirer extends iDEALBase {
       $lifetime = 86400;
       if (!$issuers || empty($issuers['short'])) {
         $lifetime = 600;
-        watchdog('iDEAL', 'iDEAL could not retrieve the list of issuing banks and will try again in ten minutes.', NULL, WATCHDOG_ERROR);
+        watchdog('iDEAL', 'iDEAL could not retrieve the list of issuing banks and will try again in ten minutes. Clear the cache to force a retry immediately.', NULL, WATCHDOG_ERROR);
       }
       cache_set($cid, $issuers, 'cache', time() + $lifetime);
       return $issuers;