diff --git a/demo.py b/demo.py
index 02fa7c8..4578c7a 100644
--- a/demo.py
+++ b/demo.py
@@ -55,6 +55,7 @@ def plot_light_intensities(ground_truth=None, estimated=None):
     scps.load_mask(filename=MASK_FILENAME)    # Load mask image
     scps.load_lightnpy(filename=LIGHT_FILENAME)    # Load light matrix
     scps.load_npyimages(foldername=DATA_FOLDERNAME)    # Load observations
+    ########################################################################################
     # Give fluctuation to light intensities (equivalent to rescaling scps.M's row vectors)
     E_gt = np.random.rand(scps.M.shape[0])
     E_gt = E_gt / max(E_gt.ravel())