Alert message about broken caching

1 files changed, 4 insertions, 1 deletions

diff --git a/php/fulfillment.php b/php/fulfillment.php
index 6f2f19d..03db718 100644
--- a/php/fulfillment.php
+++ b/php/fulfillment.php
@@ -11,7 +11,10 @@
     echo sprintf("<p>Thanks for your donation!</p>
                   <br>
                   <p>The transaction ID was: %s; use it to
-                  <a href=\"backoffice.html\">track</a> your money.</p>",
+                  <a href=\"backoffice.html\">track</a> your money.</p>
+                  <small>Due to caching issue with some browsers,
+                  it's recommended to manually clear the cache after
+                  each run.</small>",
                   $_SESSION['transaction_id']);
     return;
   }