diff --git a/sample/bootstrap.php b/sample/bootstrap.php
index eb9fed9..f73e2a6 100644
--- a/sample/bootstrap.php
+++ b/sample/bootstrap.php
@@ -1,40 +1,51 @@
 <?php
+
 /*
  * Sample bootstrap file.
  */
 
-// Include the composer autoloader
+// Include the composer autoloader
 if(!file_exists(__DIR__ .'/vendor/autoload.php')) {
 	echo "The 'vendor' folder is missing. You must run 'composer update --no-dev' to resolve application dependencies.\nPlease see the README for more information.\n";
 	exit(1);
 }
+
+
 require __DIR__ . '/vendor/autoload.php';
 require __DIR__ . '/common.php';
-
-define("PP_CONFIG_PATH", __DIR__);
-
 use PayPal\Rest\ApiContext;
 use PayPal\Auth\OAuthTokenCredential;
 
-// ### Api Context
-// Pass in a `PayPal\Rest\ApiContext` object to authenticate 
-// the call. You can also send a unique request id 
-// (that ensures idempotency). The SDK generates
-// a request id if you do not pass one explicitly. 
-$apiContext = new ApiContext(new OAuthTokenCredential(
-		'EBWKjlELKMYqRNQ6sYvFo64FtaRLRR5BdHEESmha49TM',
-		'EO422dn3gQLgDbuwqTjzrFgFtaRLRR5BdHEESmha49TM'));
-
-// Uncomment this step if you want to use per request 
-// dynamic configuration instead of using sdk_config.ini
-/*
-$apiContext->setConfig(array(
-	'mode' => 'sandbox',
-	'http.ConnectionTimeOut' => 30,
-	'log.LogEnabled' => true,
-	'log.FileName' => '../PayPal.log',
-	'log.LogLevel' => 'FINE'
-));
-*/
 
-
+
+// ### Api context
+// Pass in a `PayPal\Rest\ApiContext` object to authenticate 
+// API calls. The clientId and clientSecret for the 
+// OAuthTokenCredential class can be retrieved from 
+// developer.paypal.com
+
+$apiContext = new ApiContext(
+	new OAuthTokenCredential(
+		'EBWKjlELKMYqRNQ6sYvFo64FtaRLRR5BdHEESmha49TM',
+		'EO422dn3gQLgDbuwqTjzrFgFtaRLRR5BdHEESmha49TM'
+	)
+);
+
+
+
+// #### SDK configuration
+// Comment this line out and uncomment the PP_CONFIG_PATH
+// 'define' if you want to use a static file based configuration
+
+$apiContext->setConfig(
+	array(
+		'mode' => 'sandbox',
+		'http.ConnectionTimeOut' => 30,
+		'log.LogEnabled' => true,
+		'log.FileName' => '../PayPal.log',
+		'log.LogLevel' => 'FINE'
+	)
+);
+// Register the sdk_config.ini file in current directory
+// as the configuration source.
+// define("PP_CONFIG_PATH", __DIR__);
diff --git a/sample/sdk_config.ini b/sample/sdk_config.ini
index 4906f19..22de6fb 100644
--- a/sample/sdk_config.ini
+++ b/sample/sdk_config.ini
@@ -1,9 +1,16 @@
+
+
+## This is an example configuration file for the SDK.
+## The sample scripts configure the SDK dynamically
+## but you can choose to go for file based configuration 
+## in simpler apps (See bootstrap.php for more).
+
+
 ;Connection Information
 [Http]
 http.ConnectionTimeOut = 30
 http.Retry = 1
-;http.Proxy=http://[username:password]@hostname[:port][/path]
-
+;http.Proxy=http://[username:password]@hostname[:port]
 
 ;Service Configuration
 [Service]
@@ -23,4 +30,4 @@ log.FileName=../PayPal.log
 # Logging level can be one of FINE, INFO, WARN or ERROR
 # Logging is most verbose in the 'FINE' level and
 # decreases as you proceed towards ERROR
-log.LogLevel=FINE
\ No newline at end of file
+log.LogLevel=FINE