diff --git a/Inst_eddies/Documentation_texfol/documentation.tex b/Inst_eddies/Documentation_texfol/documentation.tex
index ddbc766cb31c156bddfe87b565ee4f358e2ec1b0..256c10a6c7eda009aa52756313027b0a1c49d620 100644
--- a/Inst_eddies/Documentation_texfol/documentation.tex
+++ b/Inst_eddies/Documentation_texfol/documentation.tex
@@ -1597,6 +1597,18 @@ $\times$ 4 contours. Mettre \verb+outside_points+ vide dans
 \verb+good_contour+ pour trouver ces contours supplémentaires. Faire
 la recherche avec \verb+good_contour+ dans l'espace des indices.
 
+type ssh contour : ssh, area, speed, contour xy, contour $\lambda
+\phi$.
+
+type eddy
+\begin{itemize}
+\item extremum : coord proj x y, coord $\lambda \phi$, ssh
+\item innermost level, cyclone
+\item type(ssh contour) contour list\verb+(:)+ (dernier : outer)
+\item indice dans contour list du contour de vitesse maximale
+\item valid, delta in delta out
+\end{itemize}
+
 Algorithme principal :
 \begin{algorithmic}
   \STATE lire ($\lambda$, $\phi$, ssh, u, v)
diff --git a/Trajectories/Tests/segments_networkx.py b/Trajectories/Tests/segments_networkx.py
index a49c46c0294f34af53faf5534d0b38f7034f0439..0f0053ebc02b24cb15af2efd26f5f39477be51af 100755
--- a/Trajectories/Tests/segments_networkx.py
+++ b/Trajectories/Tests/segments_networkx.py
@@ -8,21 +8,29 @@ G = nx.read_edgelist(sys.argv[1], create_using = nx.DiGraph, nodetype = int)
 nbunch = [] # list of nodes to remove
 
 for n in G: G.nodes[n]["inst_eddies"] = [n]
+# "inst_eddies" is the list of instantaneous eddies represented by a
+# node. At first, each node represents only itself. At the end of the
+# script, each node will be a segment and "inst_eddies" will contain
+# the list of eddies in the segment.
         
 for n in G:
     if G.in_degree[n] == 1:
         n2 = next(G.predecessors(n))
 
         if G.out_degree[n2] == 1:
-            # n continues a segment, circumvent n
+            # n continues a segment, circumvent n:
+
             nbunch.append(n)
             G.remove_edge(n2, n)
-            G.nodes[n2]["inst_eddies"] += G.nodes[n]["inst_eddies"]
-                
+
             for n3 in list(G.successors(n)):
                 G.remove_edge(n, n3)
                 G.add_edge(n2, n3)
 
+            # Add the segments represented by n to the segments
+            # represented by n2:
+            G.nodes[n2]["inst_eddies"] += G.nodes[n]["inst_eddies"]
+
 G.remove_nodes_from(nbunch)
 for k in sorted(G.nodes): print(k, G.nodes[k])
 A = nx_agraph.to_agraph(G)