diff --git a/SoundSwitch.Audio.Manager/Interop/Interface/Policy/Extended/IAudioPolicyConfig.cs b/SoundSwitch.Audio.Manager/Interop/Interface/Policy/Extended/IAudioPolicyConfig.cs
index 8b7de99a13..307616a34b 100644
--- a/SoundSwitch.Audio.Manager/Interop/Interface/Policy/Extended/IAudioPolicyConfig.cs
+++ b/SoundSwitch.Audio.Manager/Interop/Interface/Policy/Extended/IAudioPolicyConfig.cs
@@ -6,7 +6,7 @@ namespace SoundSwitch.Audio.Manager.Interop.Interface.Policy.Extended;
 public interface IAudioPolicyConfig
 {
     /// <summary>
-    /// Set the audio enpoint for this device
+    /// Set the audio endpoint for the process
     /// </summary>
     /// <param name="processId"></param>
     /// <param name="flow"></param>
@@ -15,7 +15,7 @@ public interface IAudioPolicyConfig
     void SetPersistedDefaultAudioEndpoint(uint processId, EDataFlow flow, ERole role, string deviceId);
 
     /// <summary>
-    /// Get Audio enpoint of the device
+    /// Get Audio endpoint of the process
     /// </summary>
     /// <param name="processId"></param>
     /// <param name="flow"></param>
diff --git a/SoundSwitch.Audio.Manager/Interop/Interface/Policy/Extended/IAudioPolicyConfigFactoryNative.cs b/SoundSwitch.Audio.Manager/Interop/Interface/Policy/Extended/IAudioPolicyConfigFactoryNative.cs
index 74f8fe860f..ebe49efa1f 100644
--- a/SoundSwitch.Audio.Manager/Interop/Interface/Policy/Extended/IAudioPolicyConfigFactoryNative.cs
+++ b/SoundSwitch.Audio.Manager/Interop/Interface/Policy/Extended/IAudioPolicyConfigFactoryNative.cs
@@ -5,7 +5,6 @@
 
 namespace SoundSwitch.Audio.Manager.Interop.Interface.Policy.Extended
 {
-
     [Guid("ab3d4648-e242-459f-b02f-541c70306324")]
     [InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
     [ComImport]
@@ -32,10 +31,10 @@ public interface IAudioPolicyConfigFactoryVariant21H2Windows11
         int __incomplete__remove_ChatContextChanged();
 
         [PreserveSig]
-        HRESULT SetPersistedDefaultAudioEndpoint(uint processId, EDataFlow flow, ERole role, HSTRING deviceId);
+        HRESULT SetPersistedDefaultAudioEndpoint([In] uint processId, [In] EDataFlow flow, [In] ERole role, [In] HSTRING deviceId);
 
         [PreserveSig]
-        HRESULT GetPersistedDefaultAudioEndpoint(uint processId, EDataFlow flow, ERole role, [Out, MarshalAs(UnmanagedType.HString)] out HSTRING deviceId);
+        HRESULT GetPersistedDefaultAudioEndpoint([In] uint processId, [In] EDataFlow flow, [In] ERole role, [Out] out HSTRING deviceId);
 
         [PreserveSig]
         HRESULT ClearAllPersistedApplicationDefaultEndpoints();