diff --git a/osu.Game/Rulesets/UI/HitObjectContainer.cs b/osu.Game/Rulesets/UI/HitObjectContainer.cs
index 5dc653395b..da7f5a0ee5 100644
--- a/osu.Game/Rulesets/UI/HitObjectContainer.cs
+++ b/osu.Game/Rulesets/UI/HitObjectContainer.cs
@@ -45,6 +45,9 @@ namespace osu.Game.Rulesets.UI
         /// <summary>
         /// Invoked when a <see cref="DrawableHitObject"/> is added.
         /// </summary>
+        /// <remarks>
+        /// This event is also called for nested <see cref="DrawableHitObject"/>s.
+        /// </remarks>
         public event Action<DrawableHitObject> DrawableHitObjectAdded;
 
         /// <summary>
diff --git a/osu.Game/Rulesets/UI/Playfield.cs b/osu.Game/Rulesets/UI/Playfield.cs
index 245fdd59e5..be56be91d5 100644
--- a/osu.Game/Rulesets/UI/Playfield.cs
+++ b/osu.Game/Rulesets/UI/Playfield.cs
@@ -35,6 +35,9 @@ namespace osu.Game.Rulesets.UI
         /// <summary>
         /// Invoked when a <see cref="DrawableHitObject"/> is added.
         /// </summary>
+        /// <remarks>
+        /// This event is also called for nested <see cref="DrawableHitObject"/>s.
+        /// </remarks>
         public event Action<DrawableHitObject> DrawableHitObjectAdded;
 
         /// <summary>