diff --git a/doc/modules/feature_extraction.rst b/doc/modules/feature_extraction.rst
index 88634a432b01a..73345d28fc094 100644
--- a/doc/modules/feature_extraction.rst
+++ b/doc/modules/feature_extraction.rst
@@ -1041,6 +1041,8 @@ implemented as a scikit-learn transformer, so it can be used in pipelines. See::
     >>> patches.shape
     (45, 2, 2, 3)
 
+.. _connectivity_graph_image:
+
 Connectivity graph of an image
 -------------------------------
 
diff --git a/sklearn/feature_extraction/image.py b/sklearn/feature_extraction/image.py
index ae7325d528224..b571215de47be 100644
--- a/sklearn/feature_extraction/image.py
+++ b/sklearn/feature_extraction/image.py
@@ -205,6 +205,8 @@ def grid_to_graph(
 
     Edges exist if 2 voxels are connected.
 
+    Read more in the :ref:`User Guide <connectivity_graph_image>`.
+
     Parameters
     ----------
     n_x : int