Fixed contactId and typo.

Author: sotiris

examples/chatchannels-create.php

@@ -9,7 +9,7 @@
 //Example for telegram channel
 
 $ChatChannel->name = 'Test Channel Telegram';
-$ChatChannel->platform_id = 'e82d332c5649a5f911e569n69040697';
+$ChatChannel->platformId = 'e82d332c5649a5f911e569n69040697';
 
 // Channel details is a hash with name-value pairs indicating which channel details (and their respective data types)
 // are required when creating a channel for this platform.

examples/chatcontacts-delete.php

@@ -6,7 +6,7 @@
 
 try {
 
-    $deleted = $MessageBird->chatcontacts->delete('4affa2345d7fb22e373921n524df5409'); // Set a message id here
+    $deleted = $MessageBird->chatcontacts->delete('4affa2345d7fb22e373921n524df5409'); // Set a contact id
     var_dump('Deleted : ' . $deleted);
 
 } catch (\MessageBird\Exceptions\AuthenticateException $e) {