diff --git a/modules/mol/alg/doc/molalg.rst b/modules/mol/alg/doc/molalg.rst
index cf72694bcc7493667ff5921bea6b8e7ac7d65e66..300852d954f6869c02ed7d2410ba9d3f8f958bf7 100644
--- a/modules/mol/alg/doc/molalg.rst
+++ b/modules/mol/alg/doc/molalg.rst
@@ -1889,7 +1889,7 @@ API
   :type settings: :class:`MolckSettings`
   :param prune: Whether to remove residues/chains that don't contain atoms 
                 anymore after Molck cleanup
-  :type prune: `bool` 
+  :type prune: :class:`bool`