diff --git a/modules/seq/alg/doc/seqalg.rst b/modules/seq/alg/doc/seqalg.rst
index c7af50a44f50d035e027d06d8e9d3c5b33f15338..96328e1af42f8267527db3388c07f1a0df178cbf 100644
--- a/modules/seq/alg/doc/seqalg.rst
+++ b/modules/seq/alg/doc/seqalg.rst
@@ -435,6 +435,20 @@ differences between the structures.
   :type d_map:  :class:`DistanceMap`
   :raises:  Exception if *d_map* has no entries.
 
+.. function:: CreateMeanlDDTHA(d_map)
+
+  :returns: lDDT calculation based on CA carbons of the structures with lddt 
+            distance threshold of 15 Angstrom and distance difference thresholds 
+            of [0.5, 1.0, 2.0, 4.0]. The reported values for a certain structure 
+            are the mean per-residue lDDT values given all other structures as 
+            reference. Structures are in the same order as passed when creating 
+            *d_map*.
+
+  :rtype:   :class:`MeanlDDT`
+  :param d_map: Distance map as created with :func:`CreateDistanceMap`.
+  :type d_map:  :class:`DistanceMap`
+  :raises:  Exception if *d_map* has no entries.
+
 .. class:: Distances
   
   Container used by :class:`DistanceMap` to store a pair wise distance for each
@@ -632,6 +646,14 @@ differences between the structures.
     :rtype:   :class:`list` of :class:`list` of :class:`float`
 
 
+.. class:: MeanlDDT
+
+  Container returned by :func:`CreateMeanlDDTHA`.
+  Stores mean lDDT values for :meth:`GetNumResidues` residues of
+  :meth:`GetNumStructures` structures.
+  Has the exact same functionality and behaviour as :class:`Dist2Mean`
+
+
 HMM Algorithms
 --------------------------------------------------------------------------------
 Openstructure implements basic HMM-related functionality that aims at