diff --git a/doc/development/api/general.rst b/doc/development/api/general.rst
index 2a325115fd..3ae3021679 100644
--- a/doc/development/api/general.rst
+++ b/doc/development/api/general.rst
@@ -29,7 +29,7 @@ Frontend
 
 
 .. automodule:: pretix.presale.signals
-   :members: order_info
+   :members: order_info, order_meta_from_request
 
 Request flow
 """"""""""""
diff --git a/src/pretix/base/models/orders.py b/src/pretix/base/models/orders.py
index 6fe3a41100..965690f158 100644
--- a/src/pretix/base/models/orders.py
+++ b/src/pretix/base/models/orders.py
@@ -77,6 +77,8 @@ class Order(LoggedModel):
     :type total: decimal.Decimal
     :param comment: An internal comment that will only be visible to staff, and never displayed to the user
     :type comment: str
+    :param meta_info: Additional meta information on the order, JSON-encoded.
+    :type meta_info: str
     """
 
     STATUS_PENDING = "n"