diff --git a/Analysis/plot_eddy_contours.py b/Analysis/plot_eddy_contours.py
index 2e69cc486ba6c91ce89b652689434d48e3c50e57..089a7c6a80d4861bad3874f969028df08e2b49df 100755
--- a/Analysis/plot_eddy_contours.py
+++ b/Analysis/plot_eddy_contours.py
@@ -248,7 +248,8 @@ if __name__ == "__main__":
                         help = "dashed linestyle, useful for a second snapshot")
     parser.add_argument("-a", "--anim", type = int, nargs = 2,
                         metavar = ("k_min", "k_max"), help = "make animation")
-    parser.add_argument("shp_coll_dir", help = "containing the three shapefiles")
+    parser.add_argument("shp_coll_dir", help = "containing the collection of "
+                        "shapefiles")
     parser.add_argument("--save", metavar = "format",
                         help = "Save file to specified format")
     args = parser.parse_args()