diff --git a/app/grandstream/app_config.php b/app/grandstream/app_config.php
index c760b39683..d7328dea1e 100644
--- a/app/grandstream/app_config.php
+++ b/app/grandstream/app_config.php
@@ -654,14 +654,14 @@
 		$apps[$x]['default_settings'][$y]['default_setting_enabled'] = "true";
 		$apps[$x]['default_settings'][$y]['default_setting_description'] = "Number: 0-7. Default is 5.";
 		$y++;
-    $apps[$x]['default_settings'][$y]['default_setting_uuid'] = "6f3f3390-2b69-4898-a4d9-e62249d58d58";
-    $apps[$x]['default_settings'][$y]['default_setting_category'] = "provision";
-    $apps[$x]['default_settings'][$y]['default_setting_subcategory'] = "grandstream_feature_key_sync";
-    $apps[$x]['default_settings'][$y]['default_setting_name'] = "numeric";
-    $apps[$x]['default_settings'][$y]['default_setting_value'] = "0";
-    $apps[$x]['default_settings'][$y]['default_setting_enabled'] = "true";
-    $apps[$x]['default_settings'][$y]['default_setting_description'] = "Enabled: 1, Disabled: 0  Defaults to 0. Valid for firmware higher than 1.0.9.202 for the GXP series and all firmwares GRP phones.";
-    $y++;
+		$apps[$x]['default_settings'][$y]['default_setting_uuid'] = "6f3f3390-2b69-4898-a4d9-e62249d58d58";
+		$apps[$x]['default_settings'][$y]['default_setting_category'] = "provision";
+		$apps[$x]['default_settings'][$y]['default_setting_subcategory'] = "grandstream_feature_key_sync";
+		$apps[$x]['default_settings'][$y]['default_setting_name'] = "numeric";
+		$apps[$x]['default_settings'][$y]['default_setting_value'] = "0";
+		$apps[$x]['default_settings'][$y]['default_setting_enabled'] = "true";
+		$apps[$x]['default_settings'][$y]['default_setting_description'] = "Enabled: 1, Disabled: 0  Defaults to 0. Valid for firmware higher than 1.0.9.202 for the GXP series and all firmwares GRP phones.";
+		$y++;
 		$apps[$x]['default_settings'][$y]['default_setting_uuid'] = "a6c84c0b-a7f1-4457-8afb-b64af601597d";
 		$apps[$x]['default_settings'][$y]['default_setting_category'] = "provision";
 		$apps[$x]['default_settings'][$y]['default_setting_subcategory'] = "grandstream_wifi_enable";
@@ -695,4 +695,4 @@
 		$apps[$x]['default_settings'][$y]['default_setting_description'] = "Configure the security to use when connecting to a hidden SSID. Valid values: None, WEP, WPA/WPA2_PSK, 802.1X_EAP";
 		$y++;
 
-?>
\ No newline at end of file
+?>