diff --git a/osu.Game.Rulesets.Mania.Tests/TestSceneManiaHitObjectComposer.cs b/osu.Game.Rulesets.Mania.Tests/TestSceneManiaHitObjectComposer.cs
index 1554a956a2..48159c817d 100644
--- a/osu.Game.Rulesets.Mania.Tests/TestSceneManiaHitObjectComposer.cs
+++ b/osu.Game.Rulesets.Mania.Tests/TestSceneManiaHitObjectComposer.cs
@@ -173,7 +173,7 @@ namespace osu.Game.Rulesets.Mania.Tests
 
             AddStep("grab hold note", () =>
             {
-                holdNote = this.ChildrenOfType<DrawableHoldNote>().FirstOrDefault();
+                holdNote = this.ChildrenOfType<DrawableHoldNote>().Single();
                 InputManager.MoveMouseTo(holdNote);
                 InputManager.PressButton(MouseButton.Left);
             });
diff --git a/osu.Game/Rulesets/UI/Scrolling/ScrollingHitObjectContainer.cs b/osu.Game/Rulesets/UI/Scrolling/ScrollingHitObjectContainer.cs
index ea72061216..15e625872d 100644
--- a/osu.Game/Rulesets/UI/Scrolling/ScrollingHitObjectContainer.cs
+++ b/osu.Game/Rulesets/UI/Scrolling/ScrollingHitObjectContainer.cs
@@ -21,7 +21,7 @@ namespace osu.Game.Rulesets.UI.Scrolling
         [Resolved]
         private IScrollingInfo scrollingInfo { get; set; }
 
-        // Responds to changes in the layout. When the layout is changes, all hit object states must be recomputed.
+        // Responds to changes in the layout. When the layout changes, all hit object states must be recomputed.
         private readonly LayoutValue layoutCache = new LayoutValue(Invalidation.RequiredParentSizeToFit | Invalidation.DrawInfo);
 
         // A combined cache across all hit object states to reduce per-update iterations.