Update gptchat.php

Author: VolkanSah

gptchat.php

@@ -11,7 +11,7 @@
     $message = urlencode($input['message']);
 
     $ch = curl_init();
-
+// Change API-Endpoint URL to your needs
     curl_setopt($ch, CURLOPT_URL, "https://api.openai.com/v1/engines/" . MODEL . "/completions");
     curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
     curl_setopt($ch, CURLOPT_POST, 1);
@@ -35,4 +35,4 @@
 } else {
     http_response_code(405);
     echo json_encode(['error' => 'Method not allowed']);
-}
+}