diff --git a/doc/src/fix_nvk.txt b/doc/src/fix_nvk.txt
index 33c2109126..f4c9fa4c3d 100644
--- a/doc/src/fix_nvk.txt
+++ b/doc/src/fix_nvk.txt
@@ -30,6 +30,11 @@ The equations of motion used are those of Minary et al in
 "(Minary)"_#nvk-Minary, a variant of those initially given by Zhang in 
 "(Zhang)"_#nvk-Zhang.
 
+The kinetic energy will be held constant at its value given when fix
+nvk is initiated. If a different kinetic energy is desired, the
+"velocity"_velocity.html command should be used to change the kinetic
+energy prior to this fix.
+
 :line
 
 [Restart, fix_modify, output, run start/stop, minimize info:]
diff --git a/src/fix_nvk.cpp b/src/fix_nvk.cpp
index ffcea358e7..862a555fed 100644
--- a/src/fix_nvk.cpp
+++ b/src/fix_nvk.cpp
@@ -34,7 +34,7 @@ FixNVK::FixNVK(LAMMPS *lmp, int narg, char **arg) :
 {
   if (narg < 3)
     error->all(FLERR,"Illegal fix nvk command");
-  if (igroup) error->all(FLERR,"Fix nvk currently only supports group all");
+  if (igroup) error->all(FLERR,"Fix nvk only supports group all");
 
   dynamic_group_allow = 1;
   time_integrate = 1;
diff --git a/src/fix_nvk.h b/src/fix_nvk.h
index 6c473def08..1d73e2f5df 100644
--- a/src/fix_nvk.h
+++ b/src/fix_nvk.h
@@ -56,7 +56,7 @@ Self-explanatory.  Check the input script syntax and compare to the
 documentation for the command.  You can use -echo screen as a
 command-line option when running LAMMPS to see the offending line.
 
-E: Fix nvk currently only supports group all
+E: Fix nvk only supports group all
 
 Self-explanatory.