diff --git a/examples/example-3-manipulating-child-accounts.php b/examples/example-3-manipulating-child-accounts.php
index <HASH>..<HASH> 100644
--- a/examples/example-3-manipulating-child-accounts.php
+++ b/examples/example-3-manipulating-child-accounts.php
@@ -1,7 +1,21 @@
 <?php

+

 include 'vendor/autoload.php';

 $credentials = new PrintNode\Credentials();

 

+/**

+ * There are two ways of authenticating when manipulating a Child Account

+ * 

+ * - Using the Parent Account API Key

+ * - Using the Child Account API Key

+ * 

+ * You can only manipulate a Child Account details when using the Parent Account API Key. 

+ * For example: to change a Child Accounts name, email address, password or delete a Child Account 

+ * you must be use the Parent Account API Key.

+ * 

+ * For this example, you must be authenticated as the Parent Account.

+ **/

+

 $credentials->setApiKey(PRINTNODE_APIKEY);

 $request = new PrintNode\Request($credentials);

 

@@ -17,6 +31,7 @@ $request = new PrintNode\Request($credentials);
 $request->setChildAccountById($id);

 

 // All requests from this request object will now operate on this Child Account.

+

 $whoami = $request->getWhoami();

 $computers = $request->getComputers();

 $printers = $request->getPrinters();
Update example-3-manipulating-child-accounts.php