diff --git a/Analysis/plot_traj.py b/Analysis/plot_traj.py
index 64e58a9540c670aeaa4ec82a5286b153b8ff221a..092e338cf507ebba6a67a4109035f04962ed66f2 100755
--- a/Analysis/plot_traj.py
+++ b/Analysis/plot_traj.py
@@ -13,8 +13,9 @@ import networkx as nx
 
 if len(sys.argv) != 2:
     sys.exit("Required argument: directory containing triplet of "
-             "shapefiles, result of extracting the eddies at all dates")
+             "shapefiles, with visible eddies at all dates")
 
+print("Reading edgelist.csv in current directory...")
 G = report_graph.read_eddy_graph("edgelist.csv", sys.argv[1])
 color_iter = itertools.cycle(('#1f77b4', '#aec7e8', '#ff7f0e', '#ffbb78',
                               '#2ca02c', '#98df8a', '#d62728', '#ff9896',