diff --git a/src/verlet.cpp b/src/verlet.cpp
index 9df786b745..4efff25649 100644
--- a/src/verlet.cpp
+++ b/src/verlet.cpp
@@ -1,4 +1,5 @@
 /* ----------------------------------------------------------------------
+ok
    LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
    http://lammps.sandia.gov, Sandia National Laboratories
    Steve Plimpton, sjplimp@sandia.gov