Update docs

Author: keveleigh

Assets/MRTK/Core/Attributes/MixedRealityControllerAttribute.cs

@@ -39,7 +39,7 @@ public class MixedRealityControllerAttribute : Attribute
         public MixedRealityControllerConfigurationFlags Flags { get; }
 
         /// <summary>
-        /// Additional flags for configuring controller capabilities.
+        /// The supported Unity XR pipelines for this controller.
         /// </summary>
         public SupportedUnityXRPipelines SupportedUnityXRPipelines { get; }
 

Assets/MRTK/Core/Attributes/MixedRealityDataProviderAttribute.cs

@@ -18,7 +18,7 @@ public class MixedRealityDataProviderAttribute : MixedRealityExtensionServiceAtt
         public Type ServiceInterfaceType { get; }
 
         /// <summary>
-        /// 
+        /// The supported Unity XR pipelines for this data provider.
         /// </summary>
         public SupportedUnityXRPipelines SupportedUnityXRPipelines { get; }
 

Assets/MRTK/Core/Definitions/Utilities/SupportedPlatforms.cs

@@ -6,7 +6,7 @@
 namespace Microsoft.MixedReality.Toolkit.Utilities
 {
     /// <summary>
-    /// The supported platforms for Mixed Reality Toolkit Components and Features.
+    /// The supported platforms for Mixed Reality Toolkit components and features.
     /// </summary>
     [Flags]
     public enum SupportedPlatforms
@@ -24,6 +24,9 @@ public enum SupportedPlatforms
         Lumin = 1 << 10
     }
 
+    /// <summary>
+    /// The supported Unity XR pipelines for Mixed Reality Toolkit components and features.
+    /// </summary>
     [Flags]
     public enum SupportedUnityXRPipelines
     {