diff --git a/src/MC/fix_atom_swap.cpp b/src/MC/fix_atom_swap.cpp
index fb2c43815e..eba683890d 100644
--- a/src/MC/fix_atom_swap.cpp
+++ b/src/MC/fix_atom_swap.cpp
@@ -12,7 +12,8 @@
 ------------------------------------------------------------------------- */
 
 /* ----------------------------------------------------------------------
-   Contributing author: Paul Crozier (SNL)
+   Contributing authors: Paul Crozier (SNL)
+                         Alexander Stukowski
 ------------------------------------------------------------------------- */
 
 #include "math.h"