diff --git a/src/bitcoinrpc.cpp b/src/bitcoinrpc.cpp
index a062df02605..af75bc44a49 100644
--- a/src/bitcoinrpc.cpp
+++ b/src/bitcoinrpc.cpp
@@ -1589,7 +1589,7 @@ Value encryptwallet(const Array& params, bool fHelp)
     // slack space in .dat files; that is bad if the old data is
     // unencrypted private keys.  So:
     StartShutdown();
-    return "wallet encrypted; bitcoin server stopping, restart to run with encrypted wallet.  The keypool has been flushed, you need to make a new backup.";
+    return "wallet encrypted; bitcoin server stopping, restart to run with encrypted wallet. The keypool has been flushed, you need to make a new backup.";
 }
 
 
diff --git a/src/init.cpp b/src/init.cpp
index 0c20be976a6..9f50ef5ab89 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -341,7 +341,7 @@ bool AppInit2(int argc, char* argv[])
     static boost::interprocess::file_lock lock(strLockFile.c_str());
     if (!lock.try_lock())
     {
-        wxMessageBox(strprintf(_("Cannot obtain a lock on data directory %s.  Bitcoin is probably already running."), GetDataDir().c_str()), "Bitcoin");
+        wxMessageBox(strprintf(_("Cannot obtain a lock on data directory %s. Bitcoin is probably already running."), GetDataDir().c_str()), "Bitcoin");
         return false;
     }
 
diff --git a/src/qt/bitcoingui.cpp b/src/qt/bitcoingui.cpp
index f444f3a1543..5768c5a4029 100644
--- a/src/qt/bitcoingui.cpp
+++ b/src/qt/bitcoingui.cpp
@@ -579,11 +579,9 @@ void BitcoinGUI::closeEvent(QCloseEvent *event)
 
 void BitcoinGUI::askFee(qint64 nFeeRequired, bool *payFee)
 {
-    QString strMessage =
-        tr("This transaction is over the size limit.  You can still send it for a fee of %1, "
-          "which goes to the nodes that process your transaction and helps to support the network.  "
-          "Do you want to pay the fee?").arg(
-                BitcoinUnits::formatWithUnit(BitcoinUnits::BTC, nFeeRequired));
+    QString strMessage = tr("This transaction is over the size limit. You can still send it for a fee of %1, "
+        "which goes to the nodes that process your transaction and helps to support the network. "
+        "Do you want to pay the fee?").arg(BitcoinUnits::formatWithUnit(BitcoinUnits::BTC, nFeeRequired));
     QMessageBox::StandardButton retval = QMessageBox::question(
           this, tr("Sending..."), strMessage,
           QMessageBox::Yes|QMessageBox::Cancel, QMessageBox::Yes);
diff --git a/src/qt/forms/sendcoinsentry.ui b/src/qt/forms/sendcoinsentry.ui
index 22a3f8fdc61..10bf603de82 100644
--- a/src/qt/forms/sendcoinsentry.ui
+++ b/src/qt/forms/sendcoinsentry.ui
@@ -90,7 +90,7 @@
      <item>
       <widget class="QValidatedLineEdit" name="payTo">
        <property name="toolTip">
-        <string>The address to send the payment to  (e.g. 1NS17iag9jJgTHD1VXjvLCEnZuQ3rJDE9L)</string>
+        <string>The address to send the payment to (e.g. 1NS17iag9jJgTHD1VXjvLCEnZuQ3rJDE9L)</string>
        </property>
        <property name="maxLength">
         <number>34</number>
diff --git a/src/wallet.cpp b/src/wallet.cpp
index b828473dfe4..9b164daf7d8 100644
--- a/src/wallet.cpp
+++ b/src/wallet.cpp
@@ -1101,7 +1101,7 @@ string CWallet::SendMoney(CScript scriptPubKey, int64 nValue, CWalletTx& wtxNew,
 
     if (IsLocked())
     {
-        string strError = _("Error: Wallet locked, unable to create transaction  ");
+        string strError = _("Error: Wallet locked, unable to create transaction.");
         printf("SendMoney() : %s", strError.c_str());
         return strError;
     }
@@ -1109,9 +1109,9 @@ string CWallet::SendMoney(CScript scriptPubKey, int64 nValue, CWalletTx& wtxNew,
     {
         string strError;
         if (nValue + nFeeRequired > GetBalance())
-            strError = strprintf(_("Error: This transaction requires a transaction fee of at least %s because of its amount, complexity, or use of recently received funds  "), FormatMoney(nFeeRequired).c_str());
+            strError = strprintf(_("Error: This transaction requires a transaction fee of at least %s because of its amount, complexity, or use of recently received funds."), FormatMoney(nFeeRequired).c_str());
         else
-            strError = _("Error: Transaction creation failed  ");
+            strError = _("Error: Transaction creation failed.");
         printf("SendMoney() : %s", strError.c_str());
         return strError;
     }
@@ -1120,7 +1120,7 @@ string CWallet::SendMoney(CScript scriptPubKey, int64 nValue, CWalletTx& wtxNew,
         return "ABORTED";
 
     if (!CommitTransaction(wtxNew, reservekey))
-        return _("Error: The transaction was rejected.  This might happen if some of the coins in your wallet were already spent, such as if you used a copy of wallet.dat and coins were spent in the copy but not marked as spent here.");
+        return _("Error: The transaction was rejected. This might happen if some of the coins in your wallet were already spent, such as if you used a copy of wallet.dat and coins were spent in the copy but not marked as spent here.");
 
     MainFrameRepaint();
     return "";