diff --git a/src/GameCult.Geometry/Planetary/PlanetaryMapTileEncoding.cs b/src/GameCult.Geometry/Planetary/PlanetaryMapTileEncoding.cs
index 90c93fee..ed07e7ba 100644
--- a/src/GameCult.Geometry/Planetary/PlanetaryMapTileEncoding.cs
+++ b/src/GameCult.Geometry/Planetary/PlanetaryMapTileEncoding.cs
@@ -55,7 +55,7 @@ public static class PlanetaryMapTileEncoding
         if (stream == null || !stream.CanRead) throw new ArgumentException("A readable stream is required.", nameof(stream));
         using var reader = new BinaryReader(stream, Encoding.UTF8, leaveOpen);
         var magic = reader.ReadBytes(Magic.Length);
-        if (magic.Length != Magic.Length || !magic.AsSpan().SequenceEqual(Magic)) throw new InvalidDataException("Not a CultMath planetary tile.");
+        if (magic.Length != Magic.Length || !magic.AsSpan().SequenceEqual(Magic)) throw new InvalidDataException("Not a GameCult.Geometry planetary tile.");
         var version = reader.ReadUInt32();
         if (version != FormatVersion) throw new InvalidDataException($"Unsupported planetary tile version {version}.");
         var fieldVersion = reader.ReadUInt64();
diff --git a/unity/org.gamecult.geometry/Samples~/PlanetaryViewer/Runtime/GameCultGeometryPlanetaryViewer.cs b/unity/org.gamecult.geometry/Samples~/PlanetaryViewer/Runtime/GameCultGeometryPlanetaryViewer.cs
index 708d7423..2cfb0ce5 100644
--- a/unity/org.gamecult.geometry/Samples~/PlanetaryViewer/Runtime/GameCultGeometryPlanetaryViewer.cs
+++ b/unity/org.gamecult.geometry/Samples~/PlanetaryViewer/Runtime/GameCultGeometryPlanetaryViewer.cs
@@ -57,7 +57,7 @@ public sealed class GameCultGeometryPlanetaryViewer : MonoBehaviour
         ClearGenerated();
         PlanetShader ??= Shader.Find("GameCult.Geometry/Planetary Field Viewer");
         if (PlanetShader == null) return;
-        material = new Material(PlanetShader) { name = "CultMath Planetary Viewer Material", hideFlags = HideFlags.HideAndDontSave };
+        material = new Material(PlanetShader) { name = "GameCult.Geometry Planetary Viewer Material", hideFlags = HideFlags.HideAndDontSave };
         foreach (var face in (PlanetaryCubeFace[])Enum.GetValues(typeof(PlanetaryCubeFace)))
         {
             var mesh = PlanetaryPatchMeshAdapter.CreateFaceMesh(face, CellsPerFace);