From 3207a585c6e4dcd0bd82f74c854b5d05f8afaa42 Mon Sep 17 00:00:00 2001
From: Dean Herbert <pe@ppy.sh>
Date: Wed, 31 Oct 2018 12:01:10 +0900
Subject: [PATCH] Add missing xmldoc

---
 osu.Game/Rulesets/Edit/PlacementMask.cs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/osu.Game/Rulesets/Edit/PlacementMask.cs b/osu.Game/Rulesets/Edit/PlacementMask.cs
index a588a9e181..be2c42b586 100644
--- a/osu.Game/Rulesets/Edit/PlacementMask.cs
+++ b/osu.Game/Rulesets/Edit/PlacementMask.cs
@@ -15,6 +15,9 @@ using OpenTK;
 
 namespace osu.Game.Rulesets.Edit
 {
+    /// <summary>
+    /// A mask which governs the creation of a new <see cref="HitObject"/> to actualisation.
+    /// </summary>
     public abstract class PlacementMask : CompositeDrawable, IRequireHighFrequencyMousePosition
     {
         /// <summary>