Fix image link

rougier · rougier · commit 47bf950e2d4c · 2016-12-21T10:02:29.000+01:00
diff --git a/README.md b/README.md
@@ -15,4 +15,4 @@ This work is licensed under a
 * [Quick references](09-quick-reference.rst)
 * [Bibliography](10-bibliography.rst)
 
-![](data/cubs.png)
+![](data/cubes.png)
