Correct a factual mistake in the comment

Assets/ScriptableRenderLoop/ShaderLibrary/AreaLighting.hlsl

     if (n == 5)
         sum += IntegrateEdge(L4, L[0]);
 
-    sum *= INV_TWO_PI; // Normalization of the Lambertian integral over the sphere
+    sum *= INV_TWO_PI; // Normalization of the integral of cosine over the sphere
 
     return twoSided ? abs(sum) : max(sum, 0.0);
 }