diff --git a/.gitignore b/.gitignore
index 739a60ab..36d84cbc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -390,3 +390,4 @@ MigrationBackup/
 FodyWeavers.xsd
 essentials-framework/Essentials Interfaces/PepperDash_Essentials_Interfaces/PepperDash_Essentials_Interfaces.csproj
 .DS_Store
+/._PepperDash.Essentials.sln
diff --git a/src/PepperDash.Essentials.Core/Devices/IVolumeAndAudioInterfaces.cs b/src/PepperDash.Essentials.Core/Devices/IVolumeAndAudioInterfaces.cs
index eb95f135..5d8e0724 100644
--- a/src/PepperDash.Essentials.Core/Devices/IVolumeAndAudioInterfaces.cs
+++ b/src/PepperDash.Essentials.Core/Devices/IVolumeAndAudioInterfaces.cs
@@ -64,6 +64,9 @@ namespace PepperDash.Essentials.Core
 		IntFeedback VolumeLevelFeedback { get; }
 	}
 
+	/// <summary>
+	/// Adds the ability to display a raw volume level and the units of that level
+	/// </summary>
 	public interface IBasicVolumeWithFeedbackAdvanced : IBasicVolumeWithFeedback
 	{
 		int RawVolumeLevel { get; }