diff --git a/tv/mediaquality/aidl/aidl_api/android.hardware.tv.mediaquality/current/android/hardware/tv/mediaquality/VendorParamCapability.aidl b/tv/mediaquality/aidl/aidl_api/android.hardware.tv.mediaquality/current/android/hardware/tv/mediaquality/VendorParamCapability.aidl
index 9cf29a5..5f16de9 100644
--- a/tv/mediaquality/aidl/aidl_api/android.hardware.tv.mediaquality/current/android/hardware/tv/mediaquality/VendorParamCapability.aidl
+++ b/tv/mediaquality/aidl/aidl_api/android.hardware.tv.mediaquality/current/android/hardware/tv/mediaquality/VendorParamCapability.aidl
@@ -34,7 +34,7 @@
 package android.hardware.tv.mediaquality;
 @VintfStability
 parcelable VendorParamCapability {
-  ParcelableHolder name;
+  android.hardware.tv.mediaquality.VendorParameterIdentifier identifier;
   boolean isSupported;
   @nullable android.hardware.tv.mediaquality.ParameterDefaultValue defaultValue;
   @nullable android.hardware.tv.mediaquality.ParameterRange range;
diff --git a/tv/mediaquality/aidl/android/hardware/tv/mediaquality/IPictureProfileAdjustmentListener.aidl b/tv/mediaquality/aidl/android/hardware/tv/mediaquality/IPictureProfileAdjustmentListener.aidl
index 8a19544..06651e4 100644
--- a/tv/mediaquality/aidl/android/hardware/tv/mediaquality/IPictureProfileAdjustmentListener.aidl
+++ b/tv/mediaquality/aidl/android/hardware/tv/mediaquality/IPictureProfileAdjustmentListener.aidl
@@ -39,7 +39,10 @@
     void onParamCapabilityChanged(long pictureProfileId, in ParamCapability[] caps);
 
     /**
-     * Notifies Media Quality Manager when venfor parameter capabilities changed.
+     * Notifies Media Quality Manager when vendor parameter capabilities changed.
+     *
+     * <p>This should be also called when the listener is registered to let the client know
+     * what vendor parameters are supported.
      *
      * @param pictureProfileId the ID of the profile used by the media content. -1 if there
      *                         is no associated profile.
diff --git a/tv/mediaquality/aidl/android/hardware/tv/mediaquality/ISoundProfileAdjustmentListener.aidl b/tv/mediaquality/aidl/android/hardware/tv/mediaquality/ISoundProfileAdjustmentListener.aidl
index 373cfc1..2ab9c6c 100644
--- a/tv/mediaquality/aidl/android/hardware/tv/mediaquality/ISoundProfileAdjustmentListener.aidl
+++ b/tv/mediaquality/aidl/android/hardware/tv/mediaquality/ISoundProfileAdjustmentListener.aidl
@@ -39,7 +39,10 @@
     void onParamCapabilityChanged(long soundProfileId, in ParamCapability[] caps);
 
     /**
-     * Notifies Media Quality Manager when venfor parameter capabilities changed.
+     * Notifies Media Quality Manager when vendor parameter capabilities changed.
+     *
+     * <p>This should be also called when the listener is registered to let the client know
+     * what vendor parameters are supported.
      *
      * @param soundProfileId the ID of the profile used by the media content. -1 if there
      *                         is no associated profile.
diff --git a/tv/mediaquality/aidl/android/hardware/tv/mediaquality/VendorParamCapability.aidl b/tv/mediaquality/aidl/android/hardware/tv/mediaquality/VendorParamCapability.aidl
index 1d9476d..bdc0188 100644
--- a/tv/mediaquality/aidl/android/hardware/tv/mediaquality/VendorParamCapability.aidl
+++ b/tv/mediaquality/aidl/android/hardware/tv/mediaquality/VendorParamCapability.aidl
@@ -18,14 +18,15 @@
 
 import android.hardware.tv.mediaquality.ParameterDefaultValue;
 import android.hardware.tv.mediaquality.ParameterRange;
+import android.hardware.tv.mediaquality.VendorParameterIdentifier;
 
 /**
  * Capability of vendor parameters.
  */
 @VintfStability
 parcelable VendorParamCapability {
-    /** Name of the parameter **/
-    ParcelableHolder name;
+    /** Identifier of the parameter **/
+    VendorParameterIdentifier identifier;
 
     /** true if this parameter is supported **/
     boolean isSupported;
diff --git a/tv/mediaquality/aidl/vts/functional/VtsHalMediaQualityTest.cpp b/tv/mediaquality/aidl/vts/functional/VtsHalMediaQualityTest.cpp
index 09deee6..84f798b 100644
--- a/tv/mediaquality/aidl/vts/functional/VtsHalMediaQualityTest.cpp
+++ b/tv/mediaquality/aidl/vts/functional/VtsHalMediaQualityTest.cpp
@@ -52,6 +52,7 @@
 using aidl::android::hardware::tv::mediaquality::SoundParameters;
 using aidl::android::hardware::tv::mediaquality::SoundProfile;
 using aidl::android::hardware::tv::mediaquality::VendorParamCapability;
+using aidl::android::hardware::tv::mediaquality::VendorParameterIdentifier;
 using android::ProcessState;
 using android::String16;
 using ndk::ScopedAStatus;