diff --git a/Doc/reference/datamodel.rst b/Doc/reference/datamodel.rst
index 2a961a062780f46..0880d2b54901ad3 100644
--- a/Doc/reference/datamodel.rst
+++ b/Doc/reference/datamodel.rst
@@ -1489,6 +1489,7 @@ indirectly) to mutable objects.
    single: co_consts (code object attribute)
    single: co_filename (code object attribute)
    single: co_firstlineno (code object attribute)
+   single: co_linetable (code object attribute)
    single: co_flags (code object attribute)
    single: co_name (code object attribute)
    single: co_names (code object attribute)
@@ -1562,6 +1563,16 @@ Special read-only attributes
    * - .. attribute:: codeobject.co_firstlineno
      - The line number of the first line of the function
 
+   * - .. attribute:: codeobject.co_linetable
+     - A :class:`bytes` object containing encoded source location information.
+       The exact format is an implementation detail and may change between
+       Python versions. It is made available to support the creation of new
+       code objects; use :meth:`~codeobject.co_lines` and
+       :meth:`~codeobject.co_positions` for supported access to line and
+       position information.
+
+       .. versionadded:: 3.10
+
    * - .. attribute:: codeobject.co_stacksize
      - The required stack size of the code object