diff --git a/src/qt/askpassphrasedialog.cpp b/src/qt/askpassphrasedialog.cpp
index fa9ac6b13..2c8d93fba 100644
--- a/src/qt/askpassphrasedialog.cpp
+++ b/src/qt/askpassphrasedialog.cpp
@@ -119,7 +119,7 @@ void AskPassphraseDialog::accept()
                 {
                     QMessageBox::warning(this, tr("Wallet encrypted"),
                                          "<qt>" +
-                                         tr("Bitcoin will close now to finish the encryption process. "
+                                         tr("Bitcoin Core will close now to finish the encryption process. "
                                          "Remember that encrypting your wallet cannot fully protect "
                                          "your bitcoins from being stolen by malware infecting your computer.") +
                                          "<br><br><b>" +
diff --git a/src/qt/bitcoingui.cpp b/src/qt/bitcoingui.cpp
index c297f0596..4d42f3fb2 100644
--- a/src/qt/bitcoingui.cpp
+++ b/src/qt/bitcoingui.cpp
@@ -294,7 +294,7 @@ void BitcoinGUI::createActions(const NetworkStyle *networkStyle)
     aboutQtAction->setStatusTip(tr("Show information about Qt"));
     aboutQtAction->setMenuRole(QAction::AboutQtRole);
     optionsAction = new QAction(QIcon(":/icons/options"), tr("&Options..."), this);
-    optionsAction->setStatusTip(tr("Modify configuration options for Bitcoin"));
+    optionsAction->setStatusTip(tr("Modify configuration options for Bitcoin Core"));
     optionsAction->setMenuRole(QAction::PreferencesRole);
     toggleHideAction = new QAction(QIcon(":/icons/about"), tr("&Show / Hide"), this);
     toggleHideAction->setStatusTip(tr("Show or hide the main Window"));
diff --git a/src/qt/forms/optionsdialog.ui b/src/qt/forms/optionsdialog.ui
index 51156ade4..19421dc81 100644
--- a/src/qt/forms/optionsdialog.ui
+++ b/src/qt/forms/optionsdialog.ui
@@ -30,10 +30,10 @@
        <item>
         <widget class="QCheckBox" name="bitcoinAtStartup">
          <property name="toolTip">
-          <string>Automatically start Bitcoin after logging in to the system.</string>
+          <string>Automatically start Bitcoin Core after logging in to the system.</string>
          </property>
          <property name="text">
-          <string>&amp;Start Bitcoin on system login</string>
+          <string>&amp;Start Bitcoin Core on system login</string>
          </property>
         </widget>
        </item>
@@ -375,7 +375,7 @@
          <item>
           <widget class="QValueComboBox" name="lang">
            <property name="toolTip">
-            <string>The user interface language can be set here. This setting will take effect after restarting Bitcoin.</string>
+            <string>The user interface language can be set here. This setting will take effect after restarting Bitcoin Core.</string>
            </property>
           </widget>
          </item>
diff --git a/src/qt/forms/rpcconsole.ui b/src/qt/forms/rpcconsole.ui
index a8b94354d..eb7c92cfe 100644
--- a/src/qt/forms/rpcconsole.ui
+++ b/src/qt/forms/rpcconsole.ui
@@ -331,7 +331,7 @@
        <item row="15" column="0">
         <widget class="QPushButton" name="openDebugLogfileButton">
          <property name="toolTip">
-          <string>Open the Bitcoin debug log file from the current data directory. This can take a few seconds for large log files.</string>
+          <string>Open the Bitcoin Core debug log file from the current data directory. This can take a few seconds for large log files.</string>
          </property>
          <property name="text">
           <string>&amp;Open</string>
diff --git a/src/qt/forms/sendcoinsdialog.ui b/src/qt/forms/sendcoinsdialog.ui
index 0bf04c75e..eebb45932 100644
--- a/src/qt/forms/sendcoinsdialog.ui
+++ b/src/qt/forms/sendcoinsdialog.ui
@@ -855,7 +855,7 @@
                  <item>
                   <widget class="QRadioButton" name="radioCustomPerKilobyte">
                    <property name="toolTip">
-                    <string>If the custom fee is set to 1000 satoshis and the transaction is only 250 bytes, then &quot;per kilobyte&quot; only pays 250 satoshis in fee, while &quot;at least&quot; pays 1000 satoshis. For transactions bigger than a kilobyte both pay by kilobyte.</string>
+                    <string>If the custom fee is set to 1000 satoshis and the transaction is only 250 bytes, then &quot;per kilobyte&quot; only pays 250 satoshis in fee, while &quot;total at least&quot; pays 1000 satoshis. For transactions bigger than a kilobyte both pay by kilobyte.</string>
                    </property>
                    <property name="text">
                     <string>per kilobyte</string>
diff --git a/src/qt/rpcconsole.cpp b/src/qt/rpcconsole.cpp
index 9fb15dc6f..e518ac32e 100644
--- a/src/qt/rpcconsole.cpp
+++ b/src/qt/rpcconsole.cpp
@@ -361,7 +361,7 @@ void RPCConsole::clear()
                 "b { color: #006060; } "
                 );
 
-    message(CMD_REPLY, (tr("Welcome to the Bitcoin RPC console.") + "<br>" +
+    message(CMD_REPLY, (tr("Welcome to the Bitcoin Core RPC console.") + "<br>" +
                         tr("Use up and down arrows to navigate history, and <b>Ctrl-L</b> to clear screen.") + "<br>" +
                         tr("Type <b>help</b> for an overview of available commands.")), true);
 }
diff --git a/src/qt/sendcoinsdialog.cpp b/src/qt/sendcoinsdialog.cpp
index 46eb58ca4..2bacd48a4 100644
--- a/src/qt/sendcoinsdialog.cpp
+++ b/src/qt/sendcoinsdialog.cpp
@@ -631,7 +631,7 @@ void SendCoinsDialog::updateSmartFeeLabel()
     {
         ui->labelSmartFee->setText(BitcoinUnits::formatWithUnit(model->getOptionsModel()->getDisplayUnit(), feeRate.GetFeePerK()) + "/kB");
         ui->labelSmartFee2->hide();
-        ui->labelFeeEstimation->setText(tr("Estimated to begin confirmation within %1 block(s).").arg(nBlocksToConfirm));
+        ui->labelFeeEstimation->setText(tr("Estimated to begin confirmation within %n block(s).", "", nBlocksToConfirm));
     }
 
     updateFeeMinimizedLabel();