diff --git a/api/openapi.yaml b/api/openapi.yaml
index 436a8fd..d6343fe 100644
--- a/api/openapi.yaml
+++ b/api/openapi.yaml
@@ -16423,6 +16423,8 @@ components:
     captions-update-payload:
       properties:
         default:
+          description: Set this parameter to `true` to define a caption as the default
+            for a video.
           type: boolean
       title: CaptionsUpdatePayload
       type: object
diff --git a/docs/CaptionsApi.md b/docs/CaptionsApi.md
index 711e8f7..92eb484 100644
--- a/docs/CaptionsApi.md
+++ b/docs/CaptionsApi.md
@@ -191,7 +191,7 @@ public class Example {
     String videoId = "vi4k0jvEUuaTdRAEjQ4Prklg"; // The unique identifier for the video you want to have automatic captions for.
     String language = "en"; // A valid language identifier using IETF language tags. You can use primary subtags like `en` (English), extended subtags like `fr-CA` (French, Canada), or region subtags like `zh-Hans-CN` (Simplified Chinese used in the PRC).  - This parameter **only accepts dashes for separators**, for example `fr-CA`. If you use a different separator in your request, the API returns an error. - When the value in your request does not match any covered language, the API returns an error. - You can find the list of supported tags [here](https://docs.api.video/vod/add-captions#supported-caption-language-tags).
     CaptionsUpdatePayload captionsUpdatePayload = new CaptionsUpdatePayload(); // 
-    captionsUpdatePayload.setDefault(); // 
+    captionsUpdatePayload.setDefault(); // Set this parameter to `true` to define a caption as the default for a video.
 
 
     try {
diff --git a/docs/CaptionsUpdatePayload.md b/docs/CaptionsUpdatePayload.md
index d6a014d..2dd12ae 100644
--- a/docs/CaptionsUpdatePayload.md
+++ b/docs/CaptionsUpdatePayload.md
@@ -6,7 +6,7 @@
 
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
-**_default** | **Boolean** |  |  [optional]
+**_default** | **Boolean** | Set this parameter to `true` to define a caption as the default for a video. |  [optional]
 
 
 ## Implemented Interfaces
diff --git a/src/main/java/video/api/client/api/models/CaptionsUpdatePayload.java b/src/main/java/video/api/client/api/models/CaptionsUpdatePayload.java
index 3907a35..48bd321 100644
--- a/src/main/java/video/api/client/api/models/CaptionsUpdatePayload.java
+++ b/src/main/java/video/api/client/api/models/CaptionsUpdatePayload.java
@@ -40,12 +40,12 @@ public CaptionsUpdatePayload _default(Boolean _default) {
     }
 
     /**
-     * Get _default
+     * Set this parameter to `true` to define a caption as the default for a video.
      * 
      * @return _default
      **/
     @javax.annotation.Nullable
-    @ApiModelProperty(value = "")
+    @ApiModelProperty(value = "Set this parameter to `true` to define a caption as the default for a video.")
 
     public Boolean getDefault() {
         return _default;