diff --git a/projects/lerf/lerf/lerf_config.py b/projects/lerf/lerf/lerf_config.py
index 10c0f75d8..cb67ef292 100644
--- a/projects/lerf/lerf/lerf_config.py
+++ b/projects/lerf/lerf/lerf_config.py
@@ -38,6 +38,7 @@ lerf_method = MethodSpecification(
             ),
             model=LERFModelConfig(
                 eval_num_rays_per_chunk=1 << 15,
+                # NOTE: exceeding 16 layers per hashgrid causes a segfault within Tiny CUDA NN, so instead we compose multiple hashgrids together
                 hashgrid_sizes=(19, 19),
                 hashgrid_layers=(12, 12),
                 hashgrid_resolutions=((16, 128), (128, 512)),
@@ -88,6 +89,7 @@ lerf_method_big = MethodSpecification(
             ),
             model=LERFModelConfig(
                 eval_num_rays_per_chunk=1 << 15,
+                # NOTE: exceeding 16 layers per hashgrid causes a segfault within Tiny CUDA NN, so instead we compose multiple hashgrids together
                 hashgrid_sizes=(19, 19),
                 hashgrid_layers=(16, 16),
                 hashgrid_resolutions=((16, 128), (128, 512)),