diff --git a/CGAL_ipelets/doc/CGAL_ipelets/CGAL_ipelets.txt b/CGAL_ipelets/doc/CGAL_ipelets/CGAL_ipelets.txt
index b0fc47f063e..690e3fb34cc 100644
--- a/CGAL_ipelets/doc/CGAL_ipelets/CGAL_ipelets.txt
+++ b/CGAL_ipelets/doc/CGAL_ipelets/CGAL_ipelets.txt
@@ -105,6 +105,28 @@ selection belonging to the pencil defined by the two other circles.
draws the circle orthogonal to the three selected circles.
+\subsection cone_spanners_ipelet Cone spanners
+
+The input selection must be a set of points. The value of k is asked
+in a dialog box.
+
+
+- Theta-k-graph:
+Draws a theta-graph with k cones
+
- Yao-k-graph:
+Draws a Yao-graph with k cones
+
- Half-theta-k-graph with even cones:
+Draws an half-theta-graph with the even of k cones.
+
- Half-Yao-k-graph with even cones:
+Draws an half-Yao-graph with the even of k cones.
+
- Half-theta-k-graph with odd cones:
+Draws an half-theta-graph with the odd of k cones.
+
- Half-Yao-k-graph with odd cones:
+Draws an half-Yao-graph with the odd of k cones.
+
- k cones: For earch selected point.
+Draws the k cones around the point.
+
+
\subsection diagrams_ipelet Diagrams