diff --git a/doc/src/Commands_pair.rst b/doc/src/Commands_pair.rst
index c67ceb6d08..fc5a49bf8a 100644
--- a/doc/src/Commands_pair.rst
+++ b/doc/src/Commands_pair.rst
@@ -229,7 +229,6 @@ OPT.
    * :doc:`smd/ulsph <pair_smd_ulsph>`
    * :doc:`smtbq <pair_smtbq>`
    * :doc:`snap (k) <pair_snap>`
-   * :doc:`snap (k) <pair_snap>`
    * :doc:`soft (go) <pair_soft>`
    * :doc:`sph/heatconduction <pair_sph_heatconduction>`
    * :doc:`sph/idealgas <pair_sph_idealgas>`