diff --git a/doc/src/bond_bpm_rotational.rst b/doc/src/bond_bpm_rotational.rst
index 3ecd1cf950..24fb8e1161 100644
--- a/doc/src/bond_bpm_rotational.rst
+++ b/doc/src/bond_bpm_rotational.rst
@@ -132,8 +132,8 @@ or :doc:`read_restart <read_restart>` commands:
 * :math:`k_b`           (force*distance/radians units)
 * :math:`f_{r,c}`       (force units)
 * :math:`f_{s,c}`       (force units)
-* :math:`\tau_{b,c}`    (force*distance units)
 * :math:`\tau_{t,c}`    (force*distance units)
+* :math:`\tau_{b,c}`    (force*distance units)
 * :math:`\gamma_n`      (force/velocity units)
 * :math:`\gamma_s`      (force/velocity units)
 * :math:`\gamma_r`      (force*distance/velocity units)