diff --git a/tutorials/forward/20_source_alignment.py b/tutorials/forward/20_source_alignment.py
index 7f1d2a0f049..93b46375fb6 100644
--- a/tutorials/forward/20_source_alignment.py
+++ b/tutorials/forward/20_source_alignment.py
@@ -329,6 +329,8 @@ def add_head(renderer, points, color, opacity=0.95):
 renderer.show()
 
 # %%
+# .. _creating-trans:
+#
 # Defining the head↔MRI ``trans`` using the GUI
 # ---------------------------------------------
 # You can try creating the head↔MRI transform yourself using
diff --git a/tutorials/forward/30_forward.py b/tutorials/forward/30_forward.py
index 8c2397f7fee..d1fa3430897 100644
--- a/tutorials/forward/30_forward.py
+++ b/tutorials/forward/30_forward.py
@@ -82,7 +82,8 @@
 # system.
 #
 # Here we assume the coregistration is done, so we just visually check the
-# alignment with the following code.
+# alignment with the following code. See :ref:`creating-trans` for instructions
+# on creating the ``-trans.fif`` file interactively.
 
 # The transformation file obtained by coregistration
 trans = sample_dir / "sample_audvis_raw-trans.fif"