diff --git a/composer.json b/composer.json
index 1e3deb40d..d36e2e90b 100644
--- a/composer.json
+++ b/composer.json
@@ -1,6 +1,6 @@
 {
     "name": "jlevers/selling-partner-api",
-    "version": "5.2.3",
+    "version": "5.2.4",
     "description": "PHP client for Amazon's Selling Partner API",
     "keywords": [
         "api",
diff --git a/docs/Model/MerchantFulfillmentV0/LabelCustomization.md b/docs/Model/MerchantFulfillmentV0/LabelCustomization.md
index 17af57b0e..50f7d2b85 100644
--- a/docs/Model/MerchantFulfillmentV0/LabelCustomization.md
+++ b/docs/Model/MerchantFulfillmentV0/LabelCustomization.md
@@ -4,9 +4,7 @@
 
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
-**custom_text_for_label** | **string** | Custom text to print on the label.
-
-Note: Custom text is only included on labels that are in ZPL format (ZPL203). FedEx does not support CustomTextForLabel. | [optional]
+**custom_text_for_label** | **string** | Custom text to print on the label. Note: Custom text is only included on labels that are in ZPL format (ZPL203). FedEx does not support CustomTextForLabel. | [optional]
 **standard_id_for_label** | [**\SellingPartnerApi\Model\MerchantFulfillmentV0\StandardIdForLabel**](StandardIdForLabel.md) |  | [optional]
 
 [[MerchantFulfillmentV0 Models]](../) [[API list]](../../Api) [[README]](../../../README.md)
diff --git a/lib/Configuration.php b/lib/Configuration.php
index 10f712f0b..ef2a66709 100644
--- a/lib/Configuration.php
+++ b/lib/Configuration.php
@@ -56,7 +56,7 @@ class Configuration
      *
      * @var string
      */
-    protected $userAgent = 'jlevers/selling-partner-api/5.2.3 (Language=PHP)';
+    protected $userAgent = 'jlevers/selling-partner-api/5.2.4 (Language=PHP)';
 
     /**
      * Debug switch (default set to false)
@@ -429,7 +429,7 @@ public static function toDebugReport(?string $tempFolderPath = null)
         $report .= '    OS: ' . php_uname() . PHP_EOL;
         $report .= '    PHP Version: ' . PHP_VERSION . PHP_EOL;
         $report .= '    The version of the OpenAPI document: 2020-11-01' . PHP_EOL;
-        $report .= '    SDK Package Version: 5.2.3' . PHP_EOL;
+        $report .= '    SDK Package Version: 5.2.4' . PHP_EOL;
         $report .= '    Temp Folder Path: ' . $tempFolderPath . PHP_EOL;
 
         return $report;