diff --git a/modules/icing/pirep_goes.py b/modules/icing/pirep_goes.py
index 3083dcc7e154ecb84ed4176cddfd8f704c5f6f7f..c93e29db63fdd5eacd124de753b674c84a9f7680 100644
--- a/modules/icing/pirep_goes.py
+++ b/modules/icing/pirep_goes.py
@@ -928,7 +928,7 @@ def analyze2(filename, filename_l1b):
     cld_mask = np.where(cld_mask > 1, 1, 0)
     # cld_frac = np.sum(cld_mask, axis=1) / 256 # need to do this earlier
 
-    #  Simple model
+    #  Simple model: Everything below the melting point is icing=True else icing=False  -------------------------
     preds = cld_top_tmp < 273.15
 
     true_ice = ice & preds