diff --git a/Overlap/Analysis/plot_components.py b/Overlap/Analysis/plot_components.py
index a1e606685ef37ed3a40f8f47f09f31f168a9dd08..466154715285972594355d0c632cf2472723bbf3 100755
--- a/Overlap/Analysis/plot_components.py
+++ b/Overlap/Analysis/plot_components.py
@@ -1,5 +1,11 @@
 #!/usr/bin/env python3
 
+"""This script plots markers on a map for the position of extrema and
+arrows between markers for edges in the graph. The color changes with
+the component of the graph.
+
+"""
+
 import itertools
 import sys
 
diff --git a/Overlap/Analysis/report_graph.py b/Overlap/Analysis/report_graph.py
index 3b8dde0022e91f6e37885130c5ada98a3f999066..a8f89c099a72d86d170e465839c7d2ea0ce39a4e 100755
--- a/Overlap/Analysis/report_graph.py
+++ b/Overlap/Analysis/report_graph.py
@@ -1,10 +1,10 @@
 #!/usr/bin/env python3
 
-"""This script reads an edgelist. Note that the script loads the whole
-graph into memory, with networkx. For the global graph on 30 years,
-this requires about 13 GiB of main memory. The file e_overestim.txt
-has to be in the same directory as the edgelist file given as argument
-of the script.
+"""This script reads an edgelist and prints some information about the
+corresponding graph. Note that the script loads the whole graph into
+memory, with networkx. For the global graph on 30 years, this requires
+about 13 GiB of main memory. The file e_overestim.txt has to be in the
+same directory as the edgelist file given as argument of the script.
 
 """