diff --git a/osu.Game.Rulesets.Mania/Timing/TimeRelativeContainer.cs b/osu.Game.Rulesets.Mania/Timing/TimeRelativeContainer.cs
index 466639fc02..c5060eabbb 100644
--- a/osu.Game.Rulesets.Mania/Timing/TimeRelativeContainer.cs
+++ b/osu.Game.Rulesets.Mania/Timing/TimeRelativeContainer.cs
@@ -129,6 +129,11 @@ namespace osu.Game.Rulesets.Mania.Timing
                 base.Add(drawable);
             }
 
+            /// <summary>
+            /// Whether this timing section can contain a drawable. A timing section can contain a drawable if the drawable
+            /// can be placed within the timing section's bounds (in this case, from the start of the timing section up to infinity).
+            /// </summary>
+            /// <param name="drawable">The drawable to check.</param>
             public bool CanContain(Drawable drawable) => content.Y >= drawable.Y;
         }
     }
diff --git a/osu.Game.Rulesets.Mania/Timing/TimingSection.cs b/osu.Game.Rulesets.Mania/Timing/TimingSection.cs
index fdc367de11..65a2094c46 100644
--- a/osu.Game.Rulesets.Mania/Timing/TimingSection.cs
+++ b/osu.Game.Rulesets.Mania/Timing/TimingSection.cs
@@ -1,15 +1,30 @@
-// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
-// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
-
-using osu.Game.Beatmaps.Timing;
-
-namespace osu.Game.Rulesets.Mania.Timing
-{
-    public class TimingSection
-    {
-        public double StartTime;
-        public double Duration;
-        public double BeatLength;
-        public TimeSignatures TimeSignature;
-    }
+// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
+// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
+
+using osu.Game.Beatmaps.Timing;
+
+namespace osu.Game.Rulesets.Mania.Timing
+{
+    /// <summary>
+    /// A point in the map where the beat length or speed multiplier has changed .
+    /// </summary>
+    public class TimingSection
+    {
+        /// <summary>
+        /// The time at which the change occurred.
+        /// </summary>
+        public double StartTime;
+        /// <summary>
+        /// The duration of this timing section - lasts until the next timing section.
+        /// </summary>
+        public double Duration;
+        /// <summary>
+        /// The beat length, includes any speed multiplier.
+        /// </summary>
+        public double BeatLength;
+        /// <summary>
+        /// The time signature of this timing section.
+        /// </summary>
+        public TimeSignatures TimeSignature;
+    }
 }
\ No newline at end of file
diff --git a/osu.Game.Rulesets.Mania/UI/ManiaPlayfield.cs b/osu.Game.Rulesets.Mania/UI/ManiaPlayfield.cs
index a3b1a49c9c..46fe64ff66 100644
--- a/osu.Game.Rulesets.Mania/UI/ManiaPlayfield.cs
+++ b/osu.Game.Rulesets.Mania/UI/ManiaPlayfield.cs
@@ -96,7 +96,7 @@ namespace osu.Game.Rulesets.Mania.UI
                         },
                         barlineContainer = new TimeRelativeContainer(timingSections)
                         {
-                            Name = "Barlines",
+                            Name = "Bar lines",
                             Anchor = Anchor.BottomCentre,
                             Origin = Anchor.BottomCentre,
                             RelativeSizeAxes = Axes.Both,