diff --git a/examples/cluster/plot_cluster_iris.py b/examples/cluster/plot_cluster_iris.py
index b20bc8e38dd78..b66e3259bc635 100644
--- a/examples/cluster/plot_cluster_iris.py
+++ b/examples/cluster/plot_cluster_iris.py
@@ -16,6 +16,9 @@
 
 - bottom right: The ground truth.
 
+For an example of usage see:
+- :ref:`sphx_glr_auto_examples_cluster_plot_cluster_iris.py`
+
 """
 
 # Code source: Gaël Varoquaux