diff --git a/assets/textures/terrain/editing/height_down.png b/assets/textures/terrain/editing/height_lower.png
similarity index 100%
rename from assets/textures/terrain/editing/height_down.png
rename to assets/textures/terrain/editing/height_lower.png
diff --git a/assets/textures/terrain/editing/height_down.png.import b/assets/textures/terrain/editing/height_lower.png.import
similarity index 69%
rename from assets/textures/terrain/editing/height_down.png.import
rename to assets/textures/terrain/editing/height_lower.png.import
index caf8a8b..a5dde0a 100644
--- a/assets/textures/terrain/editing/height_down.png.import
+++ b/assets/textures/terrain/editing/height_lower.png.import
@@ -3,15 +3,15 @@
 importer="texture"
 type="CompressedTexture2D"
 uid="uid://covyafauwthij"
-path="res://.godot/imported/height_down.png-47ae6eeb5feb0ddf7bd952befb4351fe.ctex"
+path="res://.godot/imported/height_lower.png-d00d3c7062c0a355f5c8381ee7e664da.ctex"
 metadata={
 "vram_texture": false
 }
 
 [deps]
 
-source_file="res://assets/textures/terrain/editing/height_down.png"
-dest_files=["res://.godot/imported/height_down.png-47ae6eeb5feb0ddf7bd952befb4351fe.ctex"]
+source_file="res://assets/textures/terrain/editing/height_lower.png"
+dest_files=["res://.godot/imported/height_lower.png-d00d3c7062c0a355f5c8381ee7e664da.ctex"]
 
 [params]
 
diff --git a/assets/textures/terrain/editing/height_up.png b/assets/textures/terrain/editing/height_raise.png
similarity index 100%
rename from assets/textures/terrain/editing/height_up.png
rename to assets/textures/terrain/editing/height_raise.png
diff --git a/assets/textures/terrain/editing/height_up.png.import b/assets/textures/terrain/editing/height_raise.png.import
similarity index 69%
rename from assets/textures/terrain/editing/height_up.png.import
rename to assets/textures/terrain/editing/height_raise.png.import
index a026188..0c86a68 100644
--- a/assets/textures/terrain/editing/height_up.png.import
+++ b/assets/textures/terrain/editing/height_raise.png.import
@@ -3,15 +3,15 @@
 importer="texture"
 type="CompressedTexture2D"
 uid="uid://dxbfohim13ti1"
-path="res://.godot/imported/height_up.png-d84180c0cff17a8285e5e5cb8f54e819.ctex"
+path="res://.godot/imported/height_raise.png-a5718ceb2e90ce17597f6300a0a9a715.ctex"
 metadata={
 "vram_texture": false
 }
 
 [deps]
 
-source_file="res://assets/textures/terrain/editing/height_up.png"
-dest_files=["res://.godot/imported/height_up.png-d84180c0cff17a8285e5e5cb8f54e819.ctex"]
+source_file="res://assets/textures/terrain/editing/height_raise.png"
+dest_files=["res://.godot/imported/height_raise.png-a5718ceb2e90ce17597f6300a0a9a715.ctex"]
 
 [params]
 
diff --git a/terrain/editing/TerrainEditingControls+Editing.cs b/terrain/editing/TerrainEditingControls+Editing.cs
index 1da3c38..204c34e 100644
--- a/terrain/editing/TerrainEditingControls+Editing.cs
+++ b/terrain/editing/TerrainEditingControls+Editing.cs
@@ -111,11 +111,12 @@ public partial class TerrainEditingControls
 						}
 					}
 
+					var isFlatten = ToolMode == ToolMode.Flatten;
+					var isRaise   = RaiseLowerToggle.ButtonPressed;
+
 					const float AdjustHeight = 0.5f;
-					var flatten = ToolMode == ToolMode.Flatten;
-					var amount = flatten ? terrain.GetTile(tile).Height[corner]
-					           : UpDownToggle.ButtonPressed ? +AdjustHeight
-					                                        : -AdjustHeight;
+					var amount = isFlatten ? terrain.GetTile(tile).Height[corner]
+					           : isRaise   ? AdjustHeight : -AdjustHeight;
 
 					var tilesPrevious = new List<(TilePos, Corners<float>)>();
 					var tilesChanged  = new List<(TilePos, Corners<float>)>();
@@ -126,8 +127,8 @@ public partial class TerrainEditingControls
 
 						var newHeight = tile2.Height;
 						foreach (var corner2 in group) {
-							if (flatten) newHeight[corner2]  = amount;
-							else         newHeight[corner2] += amount;
+							if (isFlatten) newHeight[corner2]  = amount;
+							else           newHeight[corner2] += amount;
 						}
 						tilesChanged.Add((pos, newHeight));
 					}
diff --git a/terrain/editing/TerrainEditingControls.cs b/terrain/editing/TerrainEditingControls.cs
index cd4bf7e..d0f7b86 100644
--- a/terrain/editing/TerrainEditingControls.cs
+++ b/terrain/editing/TerrainEditingControls.cs
@@ -7,8 +7,8 @@ public partial class TerrainEditingControls
 	public Slider                DrawSizeSlider      { get; private set; }
 	public Button[]              PaintTextureButtons { get; private set; }
 
-	public Button UpDownToggle    { get; private set; }
-	public Button ConnectedToggle { get; private set; }
+	public Button RaiseLowerToggle { get; private set; }
+	public Button ConnectedToggle  { get; private set; }
 
 	public ToolMode  ToolMode  { get => GetToolMode (); set => SetToolMode (value); }
 	public ToolShape ToolShape { get => GetToolShape(); set => SetToolShape(value); }
@@ -44,12 +44,12 @@ public partial class TerrainEditingControls
 		foreach (var (i, button) in PaintTextureButtons.Select((b, i) => (i, b)))
 			button.Pressed += () => SetTexture(i + 1);
 
-		var drawSizeLabel = GetNode<Label>("SizeLabel");
-		DrawSizeSlider = GetNode<Slider>("SizeSlider");
+		var drawSizeLabel = GetNode<Label> ("SizeLabel");
+		DrawSizeSlider    = GetNode<Slider>("SizeSlider");
 		DrawSizeSlider.ValueChanged += (_) => drawSizeLabel.Text = $"{DrawSize}";
 
-		UpDownToggle = GetNode<Button>("UpDown");
-		ConnectedToggle = GetNode<Button>("Connected");
+		RaiseLowerToggle = GetNode<Button>("RaiseLower");
+		ConnectedToggle  = GetNode<Button>("Connected");
 	}
 
 	ToolMode GetToolMode()
@@ -67,7 +67,7 @@ public partial class TerrainEditingControls
 		ToolShapeButtons[0].Item2.Icon = (value != ToolMode.Paint)
 			? CornerTextureNormal : CornerTexturePaint;
 
-		UpDownToggle.Disabled = value is ToolMode.Flatten or ToolMode.Paint;
+		RaiseLowerToggle.Disabled = value is ToolMode.Flatten or ToolMode.Paint;
 		ConnectedToggle.Disabled = value is ToolMode.Paint;
 	}
 
diff --git a/terrain/editing/TerrainEditingControls.tscn b/terrain/editing/TerrainEditingControls.tscn
index 531df0e..f4b938f 100644
--- a/terrain/editing/TerrainEditingControls.tscn
+++ b/terrain/editing/TerrainEditingControls.tscn
@@ -9,8 +9,8 @@
 [ext_resource type="Texture2D" uid="uid://dc0q2xn2cgcjw" path="res://assets/textures/terrain/editing/corner_paint.png" id="3_e00xo"]
 [ext_resource type="Texture2D" uid="uid://2u1ldmh0osbx" path="res://assets/textures/terrain/editing/circle.png" id="2_yvc34"]
 [ext_resource type="Texture2D" uid="uid://btjd1704xtdjv" path="res://assets/textures/terrain/editing/square.png" id="3_aaaoe"]
-[ext_resource type="Texture2D" uid="uid://dxbfohim13ti1" path="res://assets/textures/terrain/editing/height_up.png" id="9_u4loi"]
-[ext_resource type="Texture2D" uid="uid://covyafauwthij" path="res://assets/textures/terrain/editing/height_down.png" id="10_owj33"]
+[ext_resource type="Texture2D" uid="uid://dxbfohim13ti1" path="res://assets/textures/terrain/editing/height_raise.png" id="9_u4loi"]
+[ext_resource type="Texture2D" uid="uid://covyafauwthij" path="res://assets/textures/terrain/editing/height_lower.png" id="10_owj33"]
 [ext_resource type="Texture2D" uid="uid://dsbovbbrtuv8f" path="res://assets/textures/terrain/editing/connected_on.png" id="8_4qifu"]
 [ext_resource type="Texture2D" uid="uid://c5j5v62f7p6qt" path="res://assets/textures/terrain/editing/connected_off.png" id="12_5hs2d"]
 [ext_resource type="Image" uid="uid://b0jp1dyxugbr7" path="res://assets/textures/terrain/grass.png" id="Image_d41co"]
@@ -91,7 +91,7 @@ value = -1.0
 [node name="HSeparator2" type="HSeparator" parent="."]
 layout_mode = 2
 
-[node name="UpDown" type="Button" parent="."]
+[node name="RaiseLower" type="Button" parent="."]
 layout_mode = 2
 toggle_mode = true
 button_pressed = true