diff --git a/python/doc/examples/graphs/plot_graphs_contour.py b/python/doc/examples/graphs/plot_graphs_contour.py
index 5f9fc05071..719de23702 100644
--- a/python/doc/examples/graphs/plot_graphs_contour.py
+++ b/python/doc/examples/graphs/plot_graphs_contour.py
@@ -33,7 +33,7 @@
 # We build the graph by calling the `draw` method and display it
 
 # %%
-graph = f.draw([YMin, YMin], [XMax, YMax], [NX, NY])
+graph = f.draw([XMin, YMin], [XMax, YMax], [NX, NY])
 view = viewer.View(graph)
 
 # %%