diff --git a/src/addrman.cpp b/src/addrman.cpp
index 9edbcc3a5f4..cdc59577267 100644
--- a/src/addrman.cpp
+++ b/src/addrman.cpp
@@ -1,6 +1,6 @@
 // Copyright (c) 2012 Pieter Wuille
 // 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 "addrman.h"
 
diff --git a/src/addrman.h b/src/addrman.h
index 5f1d7b2af9c..950798784da 100644
--- a/src/addrman.h
+++ b/src/addrman.h
@@ -1,6 +1,6 @@
 // Copyright (c) 2012 Pieter Wuille
 // 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_ADDRMAN
 #define _BITCOIN_ADDRMAN 1
 
diff --git a/src/base58.h b/src/base58.h
index 90ce34b05b5..bc681a08ca2 100644
--- a/src/base58.h
+++ b/src/base58.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.
 
 
 //
diff --git a/src/bignum.h b/src/bignum.h
index e691dbe94e5..abcc052efec 100644
--- a/src/bignum.h
+++ b/src/bignum.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_BIGNUM_H
 #define BITCOIN_BIGNUM_H
 
diff --git a/src/bitcoinrpc.cpp b/src/bitcoinrpc.cpp
index 93c9b4110a0..71725ac3350 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 a9cf3296f72..254def86b20 100644
--- a/src/bitcoinrpc.h
+++ b/src/bitcoinrpc.h
@@ -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.
 
 void ThreadRPCServer(void* parg);
 int CommandLineRPC(int argc, char *argv[]);
diff --git a/src/checkpoints.cpp b/src/checkpoints.cpp
index f5ce053870f..ee74d259302 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 38902ac0a15..df3e373782e 100644
--- a/src/checkpoints.h
+++ b/src/checkpoints.h
@@ -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.
 #ifndef BITCOIN_CHECKPOINT_H
 #define  BITCOIN_CHECKPOINT_H
 
diff --git a/src/compat.h b/src/compat.h
index 882610031a9..0b4e2f8d435 100644
--- a/src/compat.h
+++ b/src/compat.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_COMPAT_H
 #define _BITCOIN_COMPAT_H 1
 
diff --git a/src/db.cpp b/src/db.cpp
index 6cf7e28b609..2dddcf095a0 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 47fa40245e9..38daad3e919 100644
--- a/src/db.h
+++ b/src/db.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_DB_H
 #define BITCOIN_DB_H
 
diff --git a/src/headers.h b/src/headers.h
index 88f5476f8f6..fb86a6fe02b 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 4078b7e0cb2..8d8ce8f4af8 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 0d60e7549f5..80894827a00 100644
--- a/src/init.h
+++ b/src/init.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_INIT_H
 #define BITCOIN_INIT_H
 
diff --git a/src/irc.cpp b/src/irc.cpp
index d535f59c4c9..836ef0bee27 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 08d62b83d2b..4a42f76512b 100644
--- a/src/irc.h
+++ b/src/irc.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_IRC_H
 #define BITCOIN_IRC_H
 
diff --git a/src/key.cpp b/src/key.cpp
index e0844412d9b..dab1eed2eb2 100644
--- a/src/key.cpp
+++ b/src/key.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 <openssl/ec.h>
 #include <openssl/ecdsa.h>
diff --git a/src/key.h b/src/key.h
index 8f220f1c753..ba68f0dd702 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 23f9e32fa2a..5b8420674df 100644
--- a/src/keystore.cpp
+++ b/src/keystore.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 "crypter.h"
diff --git a/src/keystore.h b/src/keystore.h
index 52f5f21aa92..3e56919d3bb 100644
--- a/src/keystore.h
+++ b/src/keystore.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_KEYSTORE_H
 #define BITCOIN_KEYSTORE_H
 
diff --git a/src/main.cpp b/src/main.cpp
index f13f6165b38..ad75892fb92 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 9ae4a1d3916..be67fbf82c1 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/mruset.h b/src/mruset.h
index b21f18563c9..ad2e160d3a6 100644
--- a/src/mruset.h
+++ b/src/mruset.h
@@ -1,6 +1,6 @@
 // Copyright (c) 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_MRUSET_H
 #define BITCOIN_MRUSET_H
 
diff --git a/src/net.cpp b/src/net.cpp
index e5cb6d4b249..6707d790e2b 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 82316917d2b..bf8ed806668 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/netbase.cpp b/src/netbase.cpp
index 8b30ffc140e..6cb8aa8b9ce 100644
--- a/src/netbase.cpp
+++ b/src/netbase.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 "netbase.h"
 #include "util.h"
diff --git a/src/netbase.h b/src/netbase.h
index 26c21401552..24e94f2a2da 100644
--- a/src/netbase.h
+++ b/src/netbase.h
@@ -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.
 #ifndef BITCOIN_NETBASE_H
 #define BITCOIN_NETBASE_H
 
diff --git a/src/noui.h b/src/noui.h
index 8888db69f8f..819e9de5d1c 100644
--- a/src/noui.h
+++ b/src/noui.h
@@ -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.
 #ifndef BITCOIN_NOUI_H
 #define BITCOIN_NOUI_H
 
diff --git a/src/protocol.cpp b/src/protocol.cpp
index 06306cf8e1e..213e8a4d53c 100644
--- a/src/protocol.cpp
+++ b/src/protocol.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 "protocol.h"
 #include "util.h"
diff --git a/src/protocol.h b/src/protocol.h
index e639127355a..69e39969564 100644
--- a/src/protocol.h
+++ b/src/protocol.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 __cplusplus
 # error This header can only be compiled as C++.
diff --git a/src/qtui.h b/src/qtui.h
index 05a56678d11..c25abf5e673 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/rpcdump.cpp b/src/rpcdump.cpp
index d59536e2547..ae7f1cdd4c1 100644
--- a/src/rpcdump.cpp
+++ b/src/rpcdump.cpp
@@ -1,6 +1,6 @@
 // Copyright (c) 2009-2012 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 "init.h" // for pwalletMain
diff --git a/src/script.cpp b/src/script.cpp
index 21f101e1c59..074d29914b6 100644
--- a/src/script.cpp
+++ b/src/script.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"
 
 using namespace std;
diff --git a/src/script.h b/src/script.h
index 1aac324f62b..bbc6498fbbd 100644
--- a/src/script.h
+++ b/src/script.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 H_BITCOIN_SCRIPT
 #define H_BITCOIN_SCRIPT
 
diff --git a/src/serialize.h b/src/serialize.h
index 2cb3563f8f3..8b75cf8b83d 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 6215b9630e9..c07bce4ea04 100644
--- a/src/uint256.h
+++ b/src/uint256.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_UINT256_H
 #define BITCOIN_UINT256_H
 
diff --git a/src/util.cpp b/src/util.cpp
index bfc0eb81d4e..393f927491e 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"
 #include <boost/algorithm/string/join.hpp>
diff --git a/src/util.h b/src/util.h
index 4fa5a08982b..e0821cce19b 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 bb7f11c7547..04faef67b76 100644
--- a/src/wallet.cpp
+++ b/src/wallet.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/wallet.h b/src/wallet.h
index c6853456260..1b17dea9db8 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