diff --git a/doc/src/pair_ylz.rst b/doc/src/pair_ylz.rst
index 64089458e9..cee1f1d493 100644
--- a/doc/src/pair_ylz.rst
+++ b/doc/src/pair_ylz.rst
@@ -25,6 +25,8 @@ Examples
 Description
 """""""""""
 
+.. versionadded:: TBD
+
 The *ylz* (Yuan-Li-Zhang) :ref:`(Yuan) <Yuan>` style computes
 anisotropic interactions between pairs of particles considering the
 relative particle orientations via the formulas