diff --git a/documentation/images/chaikin.png b/documentation/images/chaikin.png
new file mode 100644
index 00000000..62316b98
Binary files /dev/null and b/documentation/images/chaikin.png differ
diff --git a/documentation/subdivision_surfaces.rst b/documentation/subdivision_surfaces.rst
index 4de01130..4b630f0b 100644
--- a/documentation/subdivision_surfaces.rst
+++ b/documentation/subdivision_surfaces.rst
@@ -220,7 +220,12 @@ Chaikin Rule
 ============
 
 Chaikin's curve subdivision algorithm improves the appearance of multi-edge
-semi-sharp creases with vayring weights.
+semi-sharp creases with vayring weights. The Chaikin rule interpolates the
+sharpness of incident edges.
+
+.. image:: images/chaikin.png
+   :align: center
+   :target: images/chaikin.png
 
 ----