diff --git a/doc/src/pair_coul.rst b/doc/src/pair_coul.rst
index 77c0e0b18b..dce5c96518 100644
--- a/doc/src/pair_coul.rst
+++ b/doc/src/pair_coul.rst
@@ -471,7 +471,7 @@ Phys, 110, 8254 (1999).
 .. _Plummer1:
 
 **(Plummer)** G. Plummer, J. P. Tavenner, M. I. Mendelev, Z. Wu, J. W. Lawson,
-in preparation
+J Chemical Physics, 162, 054709 (2025)
 
 .. _Jorgensen3: