diff --git a/nerfstudio/model_components/losses.py b/nerfstudio/model_components/losses.py
index 8c53c24f1..2e4f900b8 100644
--- a/nerfstudio/model_components/losses.py
+++ b/nerfstudio/model_components/losses.py
@@ -35,6 +35,8 @@ EPS = 1.0e-7
 
 # Sigma scale factor from Urban Radiance Fields (Rematas et al., 2022)
 URF_SIGMA_SCALE_FACTOR = 3.0
+
+# Toggle on whether to use true depth or depth ranking loss 
 DEPTH_METRIC = 1