diff --git a/docs/api/index.rst b/docs/api/index.rst
index e266e2f51984e08adcbb40e2dcb3bc8b3db7d692..41a4397fdddb2d1f8e6d1a98707b0d534e310d10 100644
--- a/docs/api/index.rst
+++ b/docs/api/index.rst
@@ -11,6 +11,7 @@ attributes and method signatures etc.
 
    rattail
    rattail/app
+   rattail/batch/custorder
    rattail/batch/handlers
    rattail/batch/purchase
    rattail/config