diff --git a/modules/util/viirs_surfrad.py b/modules/util/viirs_surfrad.py
index 0a577012d8d39d5e75ef7e7c6078c00946e748c9..fd25417f0d687bb7a5837d8fc9b2dbbbb30f8dfe 100644
--- a/modules/util/viirs_surfrad.py
+++ b/modules/util/viirs_surfrad.py
@@ -138,7 +138,7 @@ def run_all(directory, out_directory, day_night='ANY', pattern='clavrx_*.nc', st
 def run(h5f, param_s, train_tiles, valid_tiles, lbl_param_s, lbl_train_tiles, lbl_valid_tiles,
         num_keep_x_tiles=8, tile_width=64, kernel_size=3, day_night='DAY'):
 
-    border = int((kernel_size - 1)/2) + 1
+    border = int((kernel_size - 1)/2) + 1  # Need to add for interpolation with no edge effects
 
     param_name = param_s[0]