diff --git a/lnbits/extensions/boltcards/templates/boltcards/index.html b/lnbits/extensions/boltcards/templates/boltcards/index.html
index 55cc1e5e2..6398c20e5 100644
--- a/lnbits/extensions/boltcards/templates/boltcards/index.html
+++ b/lnbits/extensions/boltcards/templates/boltcards/index.html
@@ -380,7 +380,11 @@
Lock key: {{ qrCodeDialog.data.k0 }}
Meta key: {{ qrCodeDialog.data.k1 }}
File key: {{ qrCodeDialog.data.k2 }}
+
+ Always backup all keys that you're trying to write on the card. Without
+ them you may not be able to change them in the future!