diff --git a/src/base58.h b/src/base58.h
index d7fedb1a..d92054da 100644
--- a/src/base58.h
+++ b/src/base58.h
@@ -1,7 +1,7 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2011 The Bitcoin Developers
 // Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 
 //
diff --git a/src/bignum.h b/src/bignum.h
index fd5364e8..bd42f77c 100644
--- a/src/bignum.h
+++ b/src/bignum.h
@@ -1,7 +1,7 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2011 The Bitcoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 #ifndef BITCOIN_BIGNUM_H
 #define BITCOIN_BIGNUM_H
 
diff --git a/src/bitcoinrpc.cpp b/src/bitcoinrpc.cpp
index 2f42fae1..4003f525 100644
--- a/src/bitcoinrpc.cpp
+++ b/src/bitcoinrpc.cpp
@@ -1,7 +1,7 @@
 // Copyright (c) 2010 Satoshi Nakamoto
 // Copyright (c) 2009-2012 The Bitcoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include "headers.h"
 #include "db.h"
diff --git a/src/bitcoinrpc.h b/src/bitcoinrpc.h
index f2674007..890975eb 100644
--- a/src/bitcoinrpc.h
+++ b/src/bitcoinrpc.h
@@ -1,7 +1,7 @@
 // Copyright (c) 2010 Satoshi Nakamoto
 // Copyright (c) 2011 The Bitcoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 void ThreadRPCServer(void* parg);
 int CommandLineRPC(int argc, char *argv[]);
diff --git a/src/checkpoints.cpp b/src/checkpoints.cpp
index f5ce0538..ee74d259 100644
--- a/src/checkpoints.cpp
+++ b/src/checkpoints.cpp
@@ -1,6 +1,6 @@
 // Copyright (c) 2009-2012 The Bitcoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include <boost/assign/list_of.hpp> // for 'map_list_of()'
 #include <boost/foreach.hpp>
diff --git a/src/checkpoints.h b/src/checkpoints.h
index 9d52da40..e38b8b5f 100644
--- a/src/checkpoints.h
+++ b/src/checkpoints.h
@@ -1,6 +1,6 @@
 // Copyright (c) 2011 The Bitcoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 #ifndef BITCOIN_CHECKPOINT_H
 #define  BITCOIN_CHECKPOINT_H
 
diff --git a/src/db.cpp b/src/db.cpp
index db206c78..02b3327b 100644
--- a/src/db.cpp
+++ b/src/db.cpp
@@ -1,7 +1,7 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2009-2012 The Bitcoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include "headers.h"
 #include "db.h"
diff --git a/src/db.h b/src/db.h
index 15bfb29c..8f6c42d7 100644
--- a/src/db.h
+++ b/src/db.h
@@ -1,7 +1,7 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2011 The Bitcoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 #ifndef BITCOIN_DB_H
 #define BITCOIN_DB_H
 
diff --git a/src/headers.h b/src/headers.h
index ea011c56..cef2718c 100644
--- a/src/headers.h
+++ b/src/headers.h
@@ -1,7 +1,7 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2009-2012 The Bitcoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #ifdef _MSC_VER
 #pragma warning(disable:4786)
diff --git a/src/init.cpp b/src/init.cpp
index 168ebee6..5f1e4f53 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -1,7 +1,7 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2009-2012 The Bitcoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 #include "headers.h"
 #include "db.h"
 #include "bitcoinrpc.h"
diff --git a/src/init.h b/src/init.h
index 4017f257..2086b313 100644
--- a/src/init.h
+++ b/src/init.h
@@ -1,7 +1,7 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2011 The Bitcoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 #ifndef BITCOIN_INIT_H
 #define BITCOIN_INIT_H
 
diff --git a/src/irc.cpp b/src/irc.cpp
index 5ac2306f..76157bd0 100644
--- a/src/irc.cpp
+++ b/src/irc.cpp
@@ -1,7 +1,7 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2009-2012 The Bitcoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include "headers.h"
 #include "irc.h"
diff --git a/src/irc.h b/src/irc.h
index 6945b2ce..4fc071f0 100644
--- a/src/irc.h
+++ b/src/irc.h
@@ -1,7 +1,7 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2011 The Bitcoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 #ifndef BITCOIN_IRC_H
 #define BITCOIN_IRC_H
 
diff --git a/src/key.h b/src/key.h
index d096b394..4dc4914b 100644
--- a/src/key.h
+++ b/src/key.h
@@ -1,7 +1,7 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2009-2012 The Bitcoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 #ifndef BITCOIN_KEY_H
 #define BITCOIN_KEY_H
 
diff --git a/src/keystore.cpp b/src/keystore.cpp
index 2e4de87a..7836ceda 100644
--- a/src/keystore.cpp
+++ b/src/keystore.cpp
@@ -1,7 +1,7 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2011 The Bitcoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include "headers.h"
 #include "db.h"
diff --git a/src/keystore.h b/src/keystore.h
index 8aaf3e64..87c84010 100644
--- a/src/keystore.h
+++ b/src/keystore.h
@@ -1,7 +1,7 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2011 The Bitcoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 #ifndef BITCOIN_KEYSTORE_H
 #define BITCOIN_KEYSTORE_H
 
diff --git a/src/main.cpp b/src/main.cpp
index a5eac010..36871b5a 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,7 +1,8 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2009-2012 The Bitcoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
 #include "headers.h"
 #include "checkpoints.h"
 #include "db.h"
diff --git a/src/main.h b/src/main.h
index 4b7e1948..f2350cfc 100644
--- a/src/main.h
+++ b/src/main.h
@@ -1,7 +1,7 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2009-2012 The Bitcoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 #ifndef BITCOIN_MAIN_H
 #define BITCOIN_MAIN_H
 
diff --git a/src/net.cpp b/src/net.cpp
index e92c659a..e1eea0d1 100644
--- a/src/net.cpp
+++ b/src/net.cpp
@@ -1,7 +1,7 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2009-2012 The Bitcoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include "headers.h"
 #include "irc.h"
diff --git a/src/net.h b/src/net.h
index 5666805d..96e3680d 100644
--- a/src/net.h
+++ b/src/net.h
@@ -1,7 +1,7 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2009-2012 The Bitcoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 #ifndef BITCOIN_NET_H
 #define BITCOIN_NET_H
 
diff --git a/src/noui.h b/src/noui.h
index 0bbf45a7..4ba496bf 100644
--- a/src/noui.h
+++ b/src/noui.h
@@ -1,7 +1,7 @@
 // Copyright (c) 2010 Satoshi Nakamoto
 // Copyright (c) 2011 The Bitcoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 #ifndef BITCOIN_NOUI_H
 #define BITCOIN_NOUI_H
 
diff --git a/src/protocol.cpp b/src/protocol.cpp
index 16ad7468..3376c37e 100644
--- a/src/protocol.cpp
+++ b/src/protocol.cpp
@@ -1,7 +1,7 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2011 The Bitcoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include "protocol.h"
 #include "util.h"
diff --git a/src/protocol.h b/src/protocol.h
index c8723fa3..2d90bafe 100644
--- a/src/protocol.h
+++ b/src/protocol.h
@@ -1,7 +1,7 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2011 The Bitcoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #ifndef __cplusplus
 # error This header can only be compiled as C++.
diff --git a/src/qtui.h b/src/qtui.h
index 193f8492..8f3e139e 100644
--- a/src/qtui.h
+++ b/src/qtui.h
@@ -1,6 +1,6 @@
 // Copyright (c) 2010 Satoshi Nakamoto
 // Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 #ifndef BITCOIN_EXTERNUI_H
 #define BITCOIN_EXTERNUI_H
 
diff --git a/src/script.cpp b/src/script.cpp
index a7e4d3e2..bbb32f68 100644
--- a/src/script.cpp
+++ b/src/script.cpp
@@ -1,7 +1,7 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2011 The Bitcoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 #include "headers.h"
 
 using namespace std;
diff --git a/src/script.h b/src/script.h
index 7d15bbae..502bce1e 100644
--- a/src/script.h
+++ b/src/script.h
@@ -1,7 +1,7 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2011 The Bitcoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 #ifndef H_BITCOIN_SCRIPT
 #define H_BITCOIN_SCRIPT
 
diff --git a/src/serialize.h b/src/serialize.h
index e414bd07..b1fabb7a 100644
--- a/src/serialize.h
+++ b/src/serialize.h
@@ -1,7 +1,7 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2009-2012 The Bitcoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 #ifndef BITCOIN_SERIALIZE_H
 #define BITCOIN_SERIALIZE_H
 
diff --git a/src/uint256.h b/src/uint256.h
index 320ee7e9..b7a5c3bf 100644
--- a/src/uint256.h
+++ b/src/uint256.h
@@ -1,7 +1,7 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2011 The Bitcoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 #ifndef BITCOIN_UINT256_H
 #define BITCOIN_UINT256_H
 
diff --git a/src/util.cpp b/src/util.cpp
index 66161c7e..be626768 100644
--- a/src/util.cpp
+++ b/src/util.cpp
@@ -1,7 +1,7 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2009-2012 The Bitcoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 #include "headers.h"
 #include "strlcpy.h"
 
diff --git a/src/util.h b/src/util.h
index 45b14420..da8e7630 100644
--- a/src/util.h
+++ b/src/util.h
@@ -1,7 +1,7 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2009-2012 The Bitcoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 #ifndef BITCOIN_UTIL_H
 #define BITCOIN_UTIL_H
 
diff --git a/src/wallet.cpp b/src/wallet.cpp
index 7d1266e8..3cce3360 100644
--- a/src/wallet.cpp
+++ b/src/wallet.cpp
@@ -1,7 +1,7 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2011 The Bitcoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include "headers.h"
 #include "db.h"
diff --git a/src/wallet.h b/src/wallet.h
index 90ee518a..7fb1a19e 100644
--- a/src/wallet.h
+++ b/src/wallet.h
@@ -1,7 +1,7 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2009-2012 The Bitcoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 #ifndef BITCOIN_WALLET_H
 #define BITCOIN_WALLET_H