diff --git a/doc/src/code/index.rst b/doc/src/code/index.rst
index 78e46453..3273bf19 100644
--- a/doc/src/code/index.rst
+++ b/doc/src/code/index.rst
@@ -49,7 +49,7 @@ according to the URL scheme.
    "2" -> "10" [arrowhead="empty", arrowtail="none"];
    "3" -> "6" [arrowhead="empty", arrowtail="none"];
    "4" -> "6" [arrowhead="empty", arrowtail="none"];
-   "5" -> "11" [arrowhead="empty", arrowtail="none"];
+   "5" -> "9" [arrowhead="empty", arrowtail="none"];
    "6" -> "10" [arrowhead="empty", arrowtail="none"];
    "7" -> "10" [arrowhead="empty", arrowtail="none"];
    "8" -> "10" [arrowhead="empty", arrowtail="none"];