diff --git a/src/doc/en/reference/rings/asymptotic_expansions_index.rst b/src/doc/en/reference/rings/asymptotic_expansions_index.rst
index 3940261ee77..0277d81a91d 100644
--- a/src/doc/en/reference/rings/asymptotic_expansions_index.rst
+++ b/src/doc/en/reference/rings/asymptotic_expansions_index.rst
@@ -4,5 +4,6 @@ Asymptotic Expansions
 .. toctree::
 
    sage/rings/asymptotic/growth_group
+   sage/rings/asymptotic/growth_group_cartesian
 
 .. include:: ../footer.txt