diff --git a/src/USER-MISC/pair_lj_sf_dipole_sf.h b/src/USER-MISC/pair_lj_sf_dipole_sf.h
index bd0ffa86f01a9063c49853cf5e9abf12bb6b39bd..76cc058e698e8a06bc2ad5df51682621af35bd1a 100644
--- a/src/USER-MISC/pair_lj_sf_dipole_sf.h
+++ b/src/USER-MISC/pair_lj_sf_dipole_sf.h
@@ -1,4 +1,4 @@
-/* ----------------------------------------------------------------------
+/* -*- c++ -*- ----------------------------------------------------------
    LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
    http://lammps.sandia.gov, Sandia National Laboratories
    Steve Plimpton, sjplimp@sandia.gov