diff --git a/README.md b/README.md
index 2c8cac6..c10f581 100644
--- a/README.md
+++ b/README.md
@@ -81,9 +81,9 @@ Make your life easy for the next step by running these on the node's server:
     cat ~/.multichain/chain1/multichain.conf
     grep rpc-port ~/.multichain/chain1/params.dat
     
-In the web demo directory, copy the `config-example.txt` file to `config.txt`:
+In the web demo directory, copy the `config-example.php` file to `config.php`:
 
-	cp config-example.txt config.txt
+	cp config-example.php config.php
   
 In the demo website directory, enter chain details in `config.txt` e.g.:
 
@@ -99,8 +99,6 @@ Multiple chains are supported by the web demo by copying the same section again
 	another.rpchost=...
 	...
 
-**Note that the `config.txt` file is readable by users of your web demo installation, and contains your MultiChain API password, so you should never use this basic setup for a production system.**
-
 
 Launch the Web Demo
 -------------------
diff --git a/config-example.php b/config-example.php
new file mode 100644
index 0000000..da069c4
--- /dev/null
+++ b/config-example.php
@@ -0,0 +1,18 @@
+<?php
+exit();
+/*
+# Define your MultiChain node credentials below.
+
+default.name=Default                   # name to display in the web interface
+default.rpchost=127.0.0.1              # IP address of MultiChain node
+default.rpcport=12345                  # see rpc-port from chain parameters
+default.rpcuser=multichainrpc          # username for RPC from multichain.conf
+default.rpcpassword=                   # password for RPC from multichain.conf
+
+# You can configure support for other nodes using a word other than 'default':
+#
+# another.name=...
+# another.rpchost=...
+# ...etc...
+*/
+?>
diff --git a/config-example.txt b/config-example.txt
deleted file mode 100644
index 087df59..0000000
--- a/config-example.txt
+++ /dev/null
@@ -1,13 +0,0 @@
-# Define your MultiChain node credentials below.
-
-default.name=Default                   # name to display in the web interface
-default.rpchost=127.0.0.1              # IP address of MultiChain node
-default.rpcport=12345                  # see rpc-port from chain parameters
-default.rpcuser=multichainrpc          # username for RPC from multichain.conf
-default.rpcpassword=                   # password for RPC from multichain.conf
-
-# You can configure support for other nodes using a word other than 'default':
-#
-# another.name=...
-# another.rpchost=...
-# ...etc...
\ No newline at end of file
diff --git a/functions.php b/functions.php
index 3e0eaeb..714b6f7 100644
--- a/functions.php
+++ b/functions.php
@@ -4,7 +4,7 @@ function read_config()
 	{
 		$config=array();
 		
-		$contents=file_get_contents('config.txt');
+		$contents=file_get_contents('config.php');
 		$lines=explode("\n", $contents);
 		
 		foreach ($lines as $line) {
@@ -233,4 +233,4 @@ function string_to_fileref($string)
 			'mimetype' => $parts[3],
 			'filesize' => $parts[4],
 		);
-	}
\ No newline at end of file
+	}