diff --git a/external/feather-docs b/external/feather-docs
index a02c5ff..9abafde 160000
--- a/external/feather-docs
+++ b/external/feather-docs
@@ -1 +1 @@
-Subproject commit a02c5ffededb0e021183b965aa8eb1e20f11e6d4
+Subproject commit 9abafde37423c204401a2322d152e8b3cc5d267a
diff --git a/src/MainWindow.cpp b/src/MainWindow.cpp
index 7000fb5..9c8814d 100644
--- a/src/MainWindow.cpp
+++ b/src/MainWindow.cpp
@@ -823,7 +823,9 @@ void MainWindow::onTransactionCreated(PendingTransaction *tx, const QVector<QStr
                 message.doc = "balance";
             }
             catch (const tools::error::tx_not_possible &e) {
-                message.description = QString("Not enough money to transfer. Transaction amount + fee exceeds available balance.");
+                message.description = QString("Not enough money to transfer. Transaction amount + fee exceeds available balance.\n\n"
+                                              "Spendable balance: %1\n"
+                                              "Transaction needs: %2").arg(WalletManager::displayAmount(e.available()), WalletManager::displayAmount(e.tx_amount() + e.fee()));
                 message.helpItems = {"If you're trying to send your entire balance, click 'Max'."};
                 message.doc = "balance";
             }
diff --git a/src/SendWidget.cpp b/src/SendWidget.cpp
index 6e4c687..36a7d75 100644
--- a/src/SendWidget.cpp
+++ b/src/SendWidget.cpp
@@ -183,8 +183,8 @@ void SendWidget::sendClicked() {
     QString description = ui->lineDescription->text();
 
     if (!outputs.empty()) { // multi destination transaction
-        if (outputs.size() > 16) {
-            Utils::showError(this, "Unable to create transaction", "Maximum number of outputs (16) exceeded.", {}, "pay_to_many");
+        if (outputs.size() > 15) {
+            Utils::showError(this, "Unable to create transaction", "Maximum number of outputs (15) exceeded.", {}, "pay_to_many");
             return;
         }