diff --git a/turn-credentials.php b/turn-credentials-php.sample
similarity index 77%
rename from turn-credentials.php
rename to turn-credentials-php.sample
index 776d1fb..09964cc 100644
--- a/turn-credentials.php
+++ b/turn-credentials-php.sample
@@ -1,4 +1,6 @@
 <?php
+        //  If using static-auth-secret for your turn server, modify this file as needed; also rename to "turn-credentials.php"
+
 	$stun_server = "stun:<stun-server>:<stun-port>";
 	$turn_server = "turns:<turn-server>:<https-turn-port>";
 	$turn_expiry = 86400;
@@ -8,4 +10,4 @@
 
 	$arr = array('1' => $turn_username, '2' => $turn_password, '3' => $stun_server, '4' => $turn_server);
 	echo json_encode($arr);
-?>
\ No newline at end of file
+?>