diff --git a/doc/examples/plot_polygon.py b/doc/examples/plot_polygon.py
index 5b745fed..05ca5359 100644
--- a/doc/examples/plot_polygon.py
+++ b/doc/examples/plot_polygon.py
@@ -1,7 +1,7 @@
 """
-===================================
-Approximatea and subdivide polygons
-===================================
+==================================
+Approximate and subdivide polygons
+==================================
 
 This example shows how to approximate (Douglas-Peucker algorithm) and subdivide
 (B-Splines) polygonal chains.