[Qt, Trivial] misc minor string changes

- write "Bitcoins" uppercase
- replace secure/insecure for payment requests with
  authenticated/unauthenticated
- change a translatable string for payment request expiry to match another
  existing string to only get ONE resulting string to translate

1 files changed, 2 insertions, 2 deletions

diff --git a/src/qt/sendcoinsdialog.cpp b/src/qt/sendcoinsdialog.cpp
index 59939fa871..0360f160d8 100644
--- a/src/qt/sendcoinsdialog.cpp
+++ b/src/qt/sendcoinsdialog.cpp
@@ -274,11 +274,11 @@ void SendCoinsDialog::on_sendButton_clicked()
                 recipientElement = tr("%1 to %2").arg(amount, address);
             }
         }
-        else if(!rcp.authenticatedMerchant.isEmpty()) // secure payment request
+        else if(!rcp.authenticatedMerchant.isEmpty()) // authenticated payment request
         {
             recipientElement = tr("%1 to %2").arg(amount, GUIUtil::HtmlEscape(rcp.authenticatedMerchant));
         }
-        else // insecure payment request
+        else // unauthenticated payment request
         {
             recipientElement = tr("%1 to %2").arg(amount, address);
         }