diff --git a/osu.Game.Tests/Editor/LegacyEditorBeatmapDifferTest.cs b/osu.Game.Tests/Editor/LegacyEditorBeatmapPatcherTest.cs
similarity index 97%
rename from osu.Game.Tests/Editor/LegacyEditorBeatmapDifferTest.cs
rename to osu.Game.Tests/Editor/LegacyEditorBeatmapPatcherTest.cs
index ecd3799cb1..11c6399d19 100644
--- a/osu.Game.Tests/Editor/LegacyEditorBeatmapDifferTest.cs
+++ b/osu.Game.Tests/Editor/LegacyEditorBeatmapPatcherTest.cs
@@ -20,15 +20,15 @@ using Decoder = osu.Game.Beatmaps.Formats.Decoder;
 namespace osu.Game.Tests.Editor
 {
     [TestFixture]
-    public class LegacyEditorBeatmapDifferTest
+    public class LegacyEditorBeatmapPatcherTest
     {
-        private LegacyEditorBeatmapDiffer differ;
+        private LegacyEditorBeatmapPatcher patcher;
         private EditorBeatmap current;
 
         [SetUp]
         public void Setup()
         {
-            differ = new LegacyEditorBeatmapDiffer(current = new EditorBeatmap(new OsuBeatmap
+            patcher = new LegacyEditorBeatmapPatcher(current = new EditorBeatmap(new OsuBeatmap
             {
                 BeatmapInfo =
                 {
@@ -312,7 +312,7 @@ namespace osu.Game.Tests.Editor
             patch = decode(encode(patch));
 
             // Apply the patch.
-            differ.Patch(encode(current), encode(patch));
+            patcher.Patch(encode(current), encode(patch));
 
             // Convert beatmaps to strings for assertion purposes.
             string currentStr = Encoding.ASCII.GetString(encode(current));
diff --git a/osu.Game/Screens/Edit/EditorChangeHandler.cs b/osu.Game/Screens/Edit/EditorChangeHandler.cs
index 22f076d939..00a27801f4 100644
--- a/osu.Game/Screens/Edit/EditorChangeHandler.cs
+++ b/osu.Game/Screens/Edit/EditorChangeHandler.cs
@@ -15,7 +15,7 @@ namespace osu.Game.Screens.Edit
     /// </summary>
     public class EditorChangeHandler : IEditorChangeHandler
     {
-        private readonly LegacyEditorBeatmapDiffer differ;
+        private readonly LegacyEditorBeatmapPatcher patcher;
 
         private readonly List<byte[]> savedStates = new List<byte[]>();
 
@@ -37,7 +37,7 @@ namespace osu.Game.Screens.Edit
             editorBeatmap.HitObjectRemoved += hitObjectRemoved;
             editorBeatmap.HitObjectUpdated += hitObjectUpdated;
 
-            differ = new LegacyEditorBeatmapDiffer(editorBeatmap);
+            patcher = new LegacyEditorBeatmapPatcher(editorBeatmap);
 
             // Initial state.
             SaveState();
@@ -103,7 +103,7 @@ namespace osu.Game.Screens.Edit
 
             isRestoring = true;
 
-            differ.Patch(savedStates[currentState], savedStates[newState]);
+            patcher.Patch(savedStates[currentState], savedStates[newState]);
             currentState = newState;
 
             isRestoring = false;
diff --git a/osu.Game/Screens/Edit/LegacyEditorBeatmapDiffer.cs b/osu.Game/Screens/Edit/LegacyEditorBeatmapPatcher.cs
similarity index 93%
rename from osu.Game/Screens/Edit/LegacyEditorBeatmapDiffer.cs
rename to osu.Game/Screens/Edit/LegacyEditorBeatmapPatcher.cs
index c62f21bb39..17eba87076 100644
--- a/osu.Game/Screens/Edit/LegacyEditorBeatmapDiffer.cs
+++ b/osu.Game/Screens/Edit/LegacyEditorBeatmapPatcher.cs
@@ -14,11 +14,14 @@ using Decoder = osu.Game.Beatmaps.Formats.Decoder;
 
 namespace osu.Game.Screens.Edit
 {
-    public class LegacyEditorBeatmapDiffer
+    /// <summary>
+    /// Patches an <see cref="EditorBeatmap"/> based on the difference between two legacy (.osu) states.
+    /// </summary>
+    public class LegacyEditorBeatmapPatcher
     {
         private readonly EditorBeatmap editorBeatmap;
 
-        public LegacyEditorBeatmapDiffer(EditorBeatmap editorBeatmap)
+        public LegacyEditorBeatmapPatcher(EditorBeatmap editorBeatmap)
         {
             this.editorBeatmap = editorBeatmap;
         }