CreditNote: Add footer text

Elwig/Documents/CreditNote.cs

@@ -50,7 +50,7 @@ namespace Elwig.Documents {
                 $"<tr><th>Überw. am</th><td>{p.Variant.TransferDate:dd.MM.yyyy}</td></tr>" +
                 $"<tr><th>Datum/Zeit</th><td>{p.Credit?.ModifiedTimestamp:dd.MM.yyyy} / {p.Credit?.ModifiedTimestamp:HH:mm}</td></tr>" +
                 $"</tbody></table>";
-            Text = App.Client.TextDeliveryNote;
+            Text = App.Client.TextCreditNote;
             DocumentId = $"Tr.-Gutschr. " + (p.Credit != null ? $"{p.Credit.Year}/{p.Credit.TgNr:000}" : p.MgNr);
             CurrencySymbol = season.Currency.Symbol ?? season.Currency.Code;
             Precision = season.Precision;