diff --git a/src/base58.h b/src/base58.h
index 90ce34b05b5..1391a13e0ef 100644
--- a/src/base58.h
+++ b/src/base58.h
@@ -252,7 +252,7 @@ public:
     bool operator> (const CBase58Data& b58) const { return CompareTo(b58) >  0; }
 };
 
-/** base58-encoded bitcoin addresses.
+/** base58-encoded Bitcoin addresses.
  * Public-key-hash-addresses have version 0 (or 111 testnet).
  * The data vector contains RIPEMD160(SHA256(pubkey)), where pubkey is the serialized public key.
  * Script-hash-addresses have version 5 (or 196 testnet).
diff --git a/src/bitcoinrpc.cpp b/src/bitcoinrpc.cpp
index d2033635c03..c1c58ce9353 100644
--- a/src/bitcoinrpc.cpp
+++ b/src/bitcoinrpc.cpp
@@ -418,10 +418,10 @@ Value stop(const Array& params, bool fHelp)
     if (fHelp || params.size() != 0)
         throw runtime_error(
             "stop\n"
-            "Stop bitcoin server.");
+            "Stop Bitcoin server.");
     // Shutdown will take long enough that the response should get back
     QueueShutdown();
-    return "bitcoin server stopping";
+    return "Bitcoin server stopping";
 }
 
 
@@ -562,7 +562,7 @@ Value getnewaddress(const Array& params, bool fHelp)
     if (fHelp || params.size() > 1)
         throw runtime_error(
             "getnewaddress [account]\n"
-            "Returns a new bitcoin address for receiving payments.  "
+            "Returns a new Bitcoin address for receiving payments.  "
             "If [account] is specified (recommended), it is added to the address book "
             "so payments received with the address will be credited to [account].");
 
@@ -629,7 +629,7 @@ Value getaccountaddress(const Array& params, bool fHelp)
     if (fHelp || params.size() != 1)
         throw runtime_error(
             "getaccountaddress <account>\n"
-            "Returns the current bitcoin address for receiving payments to this account.");
+            "Returns the current Bitcoin address for receiving payments to this account.");
 
     // Parse the account first so we don't generate a key if there's an error
     string strAccount = AccountFromValue(params[0]);
@@ -652,7 +652,7 @@ Value setaccount(const Array& params, bool fHelp)
 
     CBitcoinAddress address(params[0].get_str());
     if (!address.IsValid())
-        throw JSONRPCError(-5, "Invalid bitcoin address");
+        throw JSONRPCError(-5, "Invalid Bitcoin address");
 
 
     string strAccount;
@@ -682,7 +682,7 @@ Value getaccount(const Array& params, bool fHelp)
 
     CBitcoinAddress address(params[0].get_str());
     if (!address.IsValid())
-        throw JSONRPCError(-5, "Invalid bitcoin address");
+        throw JSONRPCError(-5, "Invalid Bitcoin address");
 
     string strAccount;
     map<CBitcoinAddress, string>::iterator mi = pwalletMain->mapAddressBook.find(address);
@@ -743,7 +743,7 @@ Value sendtoaddress(const Array& params, bool fHelp)
 
     CBitcoinAddress address(params[0].get_str());
     if (!address.IsValid())
-        throw JSONRPCError(-5, "Invalid bitcoin address");
+        throw JSONRPCError(-5, "Invalid Bitcoin address");
 
     // Amount
     int64 nAmount = AmountFromValue(params[1]);
@@ -841,7 +841,7 @@ Value getreceivedbyaddress(const Array& params, bool fHelp)
     CBitcoinAddress address = CBitcoinAddress(params[0].get_str());
     CScript scriptPubKey;
     if (!address.IsValid())
-        throw JSONRPCError(-5, "Invalid bitcoin address");
+        throw JSONRPCError(-5, "Invalid Bitcoin address");
     scriptPubKey.SetBitcoinAddress(address);
     if (!IsMine(*pwalletMain,scriptPubKey))
         return (double)0.0;
@@ -1067,7 +1067,7 @@ Value sendfrom(const Array& params, bool fHelp)
     string strAccount = AccountFromValue(params[0]);
     CBitcoinAddress address(params[1].get_str());
     if (!address.IsValid())
-        throw JSONRPCError(-5, "Invalid bitcoin address");
+        throw JSONRPCError(-5, "Invalid Bitcoin address");
     int64 nAmount = AmountFromValue(params[2]);
     int nMinDepth = 1;
     if (params.size() > 3)
@@ -1128,7 +1128,7 @@ Value sendmany(const Array& params, bool fHelp)
     {
         CBitcoinAddress address(s.name_);
         if (!address.IsValid())
-            throw JSONRPCError(-5, string("Invalid bitcoin address:")+s.name_);
+            throw JSONRPCError(-5, string("Invalid Bitcoin address:")+s.name_);
 
         if (setAddress.count(address))
             throw JSONRPCError(-8, string("Invalid parameter, duplicated address: ")+s.name_);
@@ -1172,7 +1172,7 @@ Value addmultisigaddress(const Array& params, bool fHelp)
     {
         string msg = "addmultisigaddress <nrequired> <'[\"key\",\"key\"]'> [account]\n"
             "Add a nrequired-to-sign multisignature address to the wallet\"\n"
-            "each key is a bitcoin address or hex-encoded public key\n"
+            "each key is a Bitcoin address or hex-encoded public key\n"
             "If [account] is specified, assign address to [account].";
         throw runtime_error(msg);
     }
@@ -1196,7 +1196,7 @@ Value addmultisigaddress(const Array& params, bool fHelp)
     {
         const std::string& ks = keys[i].get_str();
 
-        // Case 1: bitcoin address and we have full public key:
+        // Case 1: Bitcoin address and we have full public key:
         CBitcoinAddress address(ks);
         if (address.IsValid())
         {
@@ -1933,7 +1933,7 @@ Value encryptwallet(const Array& params, bool fHelp)
     // slack space in .dat files; that is bad if the old data is
     // unencrypted private keys.  So:
     QueueShutdown();
-    return "wallet encrypted; bitcoin server stopping, restart to run with encrypted wallet";
+    return "wallet encrypted; Bitcoin server stopping, restart to run with encrypted wallet";
 }
 
 
diff --git a/src/init.cpp b/src/init.cpp
index b027a53d81f..829600a4fd2 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -162,7 +162,6 @@ bool static InitError(const std::string &str)
 {
     ThreadSafeMessageBox(str, _("Bitcoin"), wxOK | wxMODAL);
     return false;
-
 }
 
 bool static InitWarning(const std::string &str)
@@ -352,7 +351,7 @@ bool AppInit2()
         return false;
     }
 
-    // Make sure only a single bitcoin process is using the data directory.
+    // Make sure only a single Bitcoin process is using the data directory.
     boost::filesystem::path pathLockFile = GetDataDir() / ".lock";
     FILE* file = fopen(pathLockFile.string().c_str(), "a"); // empty lock file; created if it doesn't exist.
     if (file) fclose(file);
@@ -365,7 +364,7 @@ bool AppInit2()
     // Load data files
     //
     if (fDaemon)
-        fprintf(stdout, "bitcoin server starting\n");
+        fprintf(stdout, "Bitcoin server starting\n");
     int64 nStart;
 
     InitMessage(_("Loading addresses..."));
@@ -498,7 +497,7 @@ bool AppInit2()
     // Add wallet transactions that aren't already in a block to mapTransactions
     pwalletMain->ReacceptWalletTransactions();
 
-    // Note: Bitcoin-QT stores several settings in the wallet, so we want
+    // Note: Bitcoin-Qt stores several settings in the wallet, so we want
     // to load the wallet BEFORE parsing command-line arguments, so
     // the command-line/bitcoin.conf settings override GUI setting.
 
diff --git a/src/qt/bitcoingui.cpp b/src/qt/bitcoingui.cpp
index 2ad1ead3eed..7070e59444b 100644
--- a/src/qt/bitcoingui.cpp
+++ b/src/qt/bitcoingui.cpp
@@ -207,7 +207,7 @@ void BitcoinGUI::createActions()
     tabGroup->addAction(receiveCoinsAction);
 
     sendCoinsAction = new QAction(QIcon(":/icons/send"), tr("&Send coins"), this);
-    sendCoinsAction->setToolTip(tr("Send coins to a bitcoin address"));
+    sendCoinsAction->setToolTip(tr("Send coins to a Bitcoin address"));
     sendCoinsAction->setCheckable(true);
     sendCoinsAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_2));
     tabGroup->addAction(sendCoinsAction);
@@ -243,7 +243,7 @@ void BitcoinGUI::createActions()
     aboutQtAction->setToolTip(tr("Show information about Qt"));
     aboutQtAction->setMenuRole(QAction::AboutQtRole);
     optionsAction = new QAction(QIcon(":/icons/options"), tr("&Options..."), this);
-    optionsAction->setToolTip(tr("Modify configuration options for bitcoin"));
+    optionsAction->setToolTip(tr("Modify configuration options for Bitcoin"));
     optionsAction->setMenuRole(QAction::PreferencesRole);
     toggleHideAction = new QAction(QIcon(":/icons/bitcoin"), tr("Show/Hide &Bitcoin"), this);
     toggleHideAction->setToolTip(tr("Show or hide the Bitcoin window"));
@@ -426,7 +426,7 @@ void BitcoinGUI::createTrayIcon()
     trayIconMenu->addAction(quitAction);
 #endif
 
-    notificator = new Notificator(tr("bitcoin-qt"), trayIcon);
+    notificator = new Notificator(qApp->applicationName(), trayIcon);
 }
 
 #ifndef Q_WS_MAC
@@ -434,7 +434,7 @@ void BitcoinGUI::trayIconActivated(QSystemTrayIcon::ActivationReason reason)
 {
     if(reason == QSystemTrayIcon::Trigger)
     {
-        // Click on system tray icon triggers "show/hide bitcoin"
+        // Click on system tray icon triggers "show/hide Bitcoin"
         toggleHideAction->trigger();
     }
 }
diff --git a/src/qt/editaddressdialog.cpp b/src/qt/editaddressdialog.cpp
index cecb8aecd79..0d88aa47cb3 100644
--- a/src/qt/editaddressdialog.cpp
+++ b/src/qt/editaddressdialog.cpp
@@ -93,7 +93,7 @@ void EditAddressDialog::accept()
             break;
         case AddressTableModel::INVALID_ADDRESS:
             QMessageBox::warning(this, windowTitle(),
-                tr("The entered address \"%1\" is not a valid bitcoin address.").arg(ui->addressEdit->text()),
+                tr("The entered address \"%1\" is not a valid Bitcoin address.").arg(ui->addressEdit->text()),
                 QMessageBox::Ok, QMessageBox::Ok);
             return;
         case AddressTableModel::WALLET_UNLOCK_FAILURE:
diff --git a/src/qt/guiutil.h b/src/qt/guiutil.h
index f30d5db35bb..c5f9aae5110 100644
--- a/src/qt/guiutil.h
+++ b/src/qt/guiutil.h
@@ -22,7 +22,7 @@ namespace GUIUtil
     QString dateTimeStr(const QDateTime &datetime);
     QString dateTimeStr(qint64 nTime);
 
-    // Render bitcoin addresses in monospace font
+    // Render Bitcoin addresses in monospace font
     QFont bitcoinAddressFont();
 
     // Set up widgets for address and amounts
diff --git a/src/qt/optionsmodel.cpp b/src/qt/optionsmodel.cpp
index 181dec4400b..9f1c6447aef 100644
--- a/src/qt/optionsmodel.cpp
+++ b/src/qt/optionsmodel.cpp
@@ -24,7 +24,7 @@ void OptionsModel::Init()
     nTransactionFee = settings.value("nTransactionFee").toLongLong();
     language = settings.value("language", "").toString();
 
-    // These are shared with core bitcoin; we want
+    // These are shared with core Bitcoin; we want
     // command-line options to override the GUI settings:
     if (settings.contains("fUseUPnP"))
         SoftSetBoolArg("-upnp", settings.value("fUseUPnP").toBool());
diff --git a/src/qt/optionsmodel.h b/src/qt/optionsmodel.h
index 4315a33f8c7..c0374689c6c 100644
--- a/src/qt/optionsmodel.h
+++ b/src/qt/optionsmodel.h
@@ -3,8 +3,8 @@
 
 #include <QAbstractListModel>
 
-/** Interface from QT to configuration data structure for bitcoin client.
-   To QT, the options are presented as a list with the different options
+/** Interface from Qt to configuration data structure for Bitcoin client.
+   To Qt, the options are presented as a list with the different options
    laid out vertically.
    This can be changed to a tree once the settings become sufficiently
    complex.
diff --git a/src/qt/rpcconsole.h b/src/qt/rpcconsole.h
index 0a7b10f4a26..c64ea5710c8 100644
--- a/src/qt/rpcconsole.h
+++ b/src/qt/rpcconsole.h
@@ -8,7 +8,7 @@ namespace Ui {
 }
 class ClientModel;
 
-/** Local bitcoin RPC console. */
+/** Local Bitcoin RPC console. */
 class RPCConsole: public QDialog
 {
     Q_OBJECT
diff --git a/src/rpcdump.cpp b/src/rpcdump.cpp
index 1bc87e92179..1119aeaf752 100644
--- a/src/rpcdump.cpp
+++ b/src/rpcdump.cpp
@@ -88,7 +88,7 @@ Value dumpprivkey(const Array& params, bool fHelp)
     string strAddress = params[0].get_str();
     CBitcoinAddress address;
     if (!address.SetString(strAddress))
-        throw JSONRPCError(-5, "Invalid bitcoin address");
+        throw JSONRPCError(-5, "Invalid Bitcoin address");
     CSecret vchSecret;
     bool fCompressed;
     if (!pwalletMain->GetSecret(address, vchSecret, fCompressed))
diff --git a/src/test/util_tests.cpp b/src/test/util_tests.cpp
index 0393edb1a7c..2bfda61675b 100644
--- a/src/test/util_tests.cpp
+++ b/src/test/util_tests.cpp
@@ -105,7 +105,7 @@ BOOST_AUTO_TEST_CASE(util_DateTimeStrFormat)
 {
     BOOST_CHECK_EQUAL(DateTimeStrFormat("%x %H:%M:%S", 0), "01/01/70 00:00:00");
     BOOST_CHECK_EQUAL(DateTimeStrFormat("%x %H:%M:%S", 0x7FFFFFFF), "01/19/38 03:14:07");
-    // Formats used within bitcoin
+    // Formats used within Bitcoin
     BOOST_CHECK_EQUAL(DateTimeStrFormat("%x %H:%M:%S", 1317425777), "09/30/11 23:36:17");
     BOOST_CHECK_EQUAL(DateTimeStrFormat("%x %H:%M", 1317425777), "09/30/11 23:36");
 }
diff --git a/src/wallet.cpp b/src/wallet.cpp
index 96dc986edf9..768f9f85ead 100644
--- a/src/wallet.cpp
+++ b/src/wallet.cpp
@@ -1251,7 +1251,7 @@ string CWallet::SendMoneyToBitcoinAddress(const CBitcoinAddress& address, int64
     if (nValue + nTransactionFee > GetBalance())
         return _("Insufficient funds");
 
-    // Parse bitcoin address
+    // Parse Bitcoin address
     CScript scriptPubKey;
     scriptPubKey.SetBitcoinAddress(address);