diff --git a/Engine.Core/Primitives/Vector3D.cs b/Engine.Core/Primitives/Vector3D.cs
index 71e6152..87f0761 100644
--- a/Engine.Core/Primitives/Vector3D.cs
+++ b/Engine.Core/Primitives/Vector3D.cs
@@ -198,13 +198,13 @@ public readonly struct Vector3D(float x, float y, float z) : IEquatable<Vector3D
     public static Vector3D Scale(Vector3D vector, Vector3D scale) => new(vector.X * scale.X, vector.Y * scale.Y, vector.Z * scale.Z);
 
     /// <summary>
-    /// Rotates a <see cref="Vector3D"/> around a normal by the specified angle (in radians).
+    /// Rotates a <see cref="Vector3D"/> around a axis by the specified angle (in radians).
     /// </summary>
     /// <param name="vector">The <see cref="Vector3D"/> to rotate.</param>
-    /// <param name="normal">The <see cref="Vector3D"/> to rotate around.</param>
+    /// <param name="axis">The <see cref="Vector3D"/> to rotate around.</param>
     /// <param name="angleInRadian">The angle to rotate by, in radians.</param>
     /// <returns>The rotated <see cref="Vector3D"/>.</returns>
-    public static Vector3D Rotate(Vector3D vector, Vector3D normal, float angleInRadian) => vector * Math.Cos(angleInRadian) + Cross(normal, vector) * Math.Sin(angleInRadian) + normal * Dot(normal, vector) * (1f - Math.Cos(angleInRadian));
+    public static Vector3D Rotate(Vector3D vector, Vector3D axis, float angleInRadian) => vector * Math.Cos(angleInRadian) + Cross(axis, vector) * Math.Sin(angleInRadian) + axis * Dot(axis, vector) * (1f - Math.Cos(angleInRadian));
 
     /// <summary>
     /// Returns the component-wise minimum of two <see cref="Vector3D"/>s.