diff --git a/Source/OpenTK/Audio/OpenAL/Alc/AlcEnums.cs b/Source/OpenTK/Audio/OpenAL/Alc/AlcEnums.cs
index 89e8fd03..9c1dba7c 100644
--- a/Source/OpenTK/Audio/OpenAL/Alc/AlcEnums.cs
+++ b/Source/OpenTK/Audio/OpenAL/Alc/AlcEnums.cs
@@ -11,7 +11,9 @@ using System;
 
 namespace OpenTK.Audio
 {
-
+    /// <summary>
+    /// Defines available context attributes.
+    /// </summary>
     public enum AlcContextAttributes : int
     {
         ///<summary>Followed by System.Int32 Hz</summary>
@@ -33,6 +35,9 @@ namespace OpenTK.Audio
         EfxMaxAuxiliarySends = 0x20003,
     }
 
+    /// <summary>
+    /// Defines OpenAL context errors.
+    /// </summary>
     public enum AlcError : int
     {
         ///<summary>There is no current error.</summary>
@@ -54,6 +59,9 @@ namespace OpenTK.Audio
         OutOfMemory = 0xA005,
     }
 
+    /// <summary>
+    /// Defines available parameters for <see cref="OpenTK.Audio.Alc.GetString(IntPtr, AlcGetString)"/>.
+    /// </summary>
     public enum AlcGetString : int
     {
         ///<summary>The specifier string for the default device.</summary>
@@ -80,6 +88,9 @@ namespace OpenTK.Audio
         AllDevicesSpecifier = 0x1013,
     }
 
+    /// <summary>
+    /// Defines available parameters for <see cref="OpenTK.Audio.Alc.GetString(IntPtr, AlcGetStringList)"/>.
+    /// </summary>
     public enum AlcGetStringList : int
     {
         ///<summary>The name of the specified capture device, or a list of all available capture devices if no capture device is specified. ALC_EXT_CAPTURE_EXT </summary>
@@ -92,6 +103,9 @@ namespace OpenTK.Audio
         AllDevicesSpecifier = 0x1013,
     }
 
+    /// <summary>
+    /// Defines available parameters for <see cref="OpenTK.Audio.Alc.GetInteger(IntPtr, AlcGetInteger, int, out int)"/>.
+    /// </summary>
     public enum AlcGetInteger : int
     {
         ///<summary>The specification revision for this implementation (major version). NULL is an acceptable device.</summary>
diff --git a/Source/OpenTK/Audio/OpenAL/Alut/AlutEnums.cs b/Source/OpenTK/Audio/OpenAL/Alut/AlutEnums.cs
index 53901b19..4555fd13 100644
--- a/Source/OpenTK/Audio/OpenAL/Alut/AlutEnums.cs
+++ b/Source/OpenTK/Audio/OpenAL/Alut/AlutEnums.cs
@@ -11,7 +11,9 @@ using System;
 
 namespace OpenTK.Audio
 {
-
+    /// <summary>
+    /// Defines the version of the Alut library.
+    /// </summary>
     public enum AlutVersions : int
     {
         /// <summary>Defines the A in OpenAL A.B</summary>
@@ -20,6 +22,9 @@ namespace OpenTK.Audio
         ApiMinorVersion = 1,
     }
 
+    /// <summary>
+    /// Defines available alut error codes.
+    /// </summary>
     public enum AlutError : int
     {
         /// <summary>No ALUT error found.</summary>
@@ -62,15 +67,26 @@ namespace OpenTK.Audio
         CorruptOrTruncatedData = 0x211,
     }
 
+    /// <summary>
+    /// Defines available alut waveform types.
+    /// </summary>
     public enum AlutWaveform : int
     {
+        /// <summary>A sine waveform</summary>
         Sine = 0x100,
+        /// <summary>A square waveform</summary>
         Square = 0x101,
+        /// <summary>A sawtooth waveform</summary>
         SawTooth = 0x102,
+        /// <summary>A waveform containing white noise</summary>
         WhiteNoise = 0x103,
+        /// <summary>A waveform containing an impusle</summary>
         Impulse = 0x104,
     }
 
+    /// <summary>
+    /// Defines parameters for alut loaders.
+    /// </summary>
     public enum AlutLoader : int
     {
         ///<summary>For the loaders returning sound buffer in an OpenAL buffer, e.g. Alut.CreateBufferFromFile and Alut.CreateBufferFromFileImage</summary>