diff --git a/src/KSPACE/msm.cpp b/src/KSPACE/msm.cpp
index bdbe80c67f..9ba0c58191 100644
--- a/src/KSPACE/msm.cpp
+++ b/src/KSPACE/msm.cpp
@@ -1429,7 +1429,7 @@ void MSM::particle_map()
   int flag = 0;
 
   if (!isfinite(boxlo[0]) || !isfinite(boxlo[1]) || !isfinite(boxlo[2]))
-    error->one(FLERR,"Non-numeric box dimensions. Simulation unstable.");
+    error->one(FLERR,"Non-numeric box dimensions - simulation unstable");
 
   for (int i = 0; i < nlocal; i++) {
 
diff --git a/src/KSPACE/msm_cg.cpp b/src/KSPACE/msm_cg.cpp
index 07177324dc..5e351cfcf2 100644
--- a/src/KSPACE/msm_cg.cpp
+++ b/src/KSPACE/msm_cg.cpp
@@ -310,7 +310,7 @@ void MSMCG::particle_map()
   int i;
 
   if (!isfinite(boxlo[0]) || !isfinite(boxlo[1]) || !isfinite(boxlo[2]))
-    error->one(FLERR,"Non-numeric box dimensions. Simulation unstable.");
+    error->one(FLERR,"Non-numeric box dimensions - simulation unstable");
 
   for (int j = 0; j < num_charged; j++) {
     i = is_charged[j];
diff --git a/src/KSPACE/pppm.cpp b/src/KSPACE/pppm.cpp
index faa6b9a248..a2672ca7b7 100644
--- a/src/KSPACE/pppm.cpp
+++ b/src/KSPACE/pppm.cpp
@@ -1877,7 +1877,7 @@ void PPPM::particle_map()
   int flag = 0;
 
   if (!isfinite(boxlo[0]) || !isfinite(boxlo[1]) || !isfinite(boxlo[2]))
-    error->one(FLERR,"Non-numeric box dimensions. Simulation unstable.");
+    error->one(FLERR,"Non-numeric box dimensions - simulation unstable");
 
   for (int i = 0; i < nlocal; i++) {
 
diff --git a/src/KSPACE/pppm_cg.cpp b/src/KSPACE/pppm_cg.cpp
index 9651ac7aa6..be84a5fc0b 100644
--- a/src/KSPACE/pppm_cg.cpp
+++ b/src/KSPACE/pppm_cg.cpp
@@ -283,7 +283,7 @@ void PPPMCG::particle_map()
   double **x = atom->x;
 
   if (!isfinite(boxlo[0]) || !isfinite(boxlo[1]) || !isfinite(boxlo[2]))
-    error->one(FLERR,"Non-numeric box dimensions. Simulation unstable.");
+    error->one(FLERR,"Non-numeric box dimensions - simulation unstable");
 
   int flag = 0;
   for (int j = 0; j < num_charged; j++) {
diff --git a/src/KSPACE/pppm_disp.cpp b/src/KSPACE/pppm_disp.cpp
index d565ce00cf..37fa0b46f6 100755
--- a/src/KSPACE/pppm_disp.cpp
+++ b/src/KSPACE/pppm_disp.cpp
@@ -4210,7 +4210,7 @@ void PPPMDisp::particle_map(double delx, double dely, double delz,
   int nlocal = atom->nlocal;
 
   if (!isfinite(boxlo[0]) || !isfinite(boxlo[1]) || !isfinite(boxlo[2]))
-    error->one(FLERR,"Non-numeric box dimensions. Simulation unstable.");
+    error->one(FLERR,"Non-numeric box dimensions - simulation unstable");
 
   int flag = 0;
   for (int i = 0; i < nlocal; i++) {
diff --git a/src/KSPACE/pppm_disp_tip4p.cpp b/src/KSPACE/pppm_disp_tip4p.cpp
index aa4f3607c6..c021e3dcc0 100755
--- a/src/KSPACE/pppm_disp_tip4p.cpp
+++ b/src/KSPACE/pppm_disp_tip4p.cpp
@@ -79,7 +79,7 @@ void PPPMDispTIP4P::particle_map_c(double delx, double dely, double delz,
   int nlocal = atom->nlocal;
 
   if (!isfinite(boxlo[0]) || !isfinite(boxlo[1]) || !isfinite(boxlo[2]))
-    error->one(FLERR,"Non-numeric box dimensions. Simulation unstable.");
+    error->one(FLERR,"Non-numeric box dimensions - simulation unstable");
 
   int flag = 0;
   for (int i = 0; i < nlocal; i++) {
diff --git a/src/KSPACE/pppm_stagger.cpp b/src/KSPACE/pppm_stagger.cpp
index 62db9d6441..f0ee7e10dc 100755
--- a/src/KSPACE/pppm_stagger.cpp
+++ b/src/KSPACE/pppm_stagger.cpp
@@ -680,7 +680,7 @@ void PPPMStagger::particle_map()
   int nlocal = atom->nlocal;
 
   if (!isfinite(boxlo[0]) || !isfinite(boxlo[1]) || !isfinite(boxlo[2]))
-    error->one(FLERR,"Non-numeric box dimensions. Simulation unstable.");
+    error->one(FLERR,"Non-numeric box dimensions - simulation unstable");
 
   int flag = 0;
   for (int i = 0; i < nlocal; i++) {
diff --git a/src/KSPACE/pppm_tip4p.cpp b/src/KSPACE/pppm_tip4p.cpp
index 4345786339..f3c6d3c9a4 100644
--- a/src/KSPACE/pppm_tip4p.cpp
+++ b/src/KSPACE/pppm_tip4p.cpp
@@ -74,7 +74,7 @@ void PPPMTIP4P::particle_map()
   int nlocal = atom->nlocal;
 
   if (!isfinite(boxlo[0]) || !isfinite(boxlo[1]) || !isfinite(boxlo[2]))
-    error->one(FLERR,"Non-numeric box dimensions. Simulation unstable.");
+    error->one(FLERR,"Non-numeric box dimensions - simulation unstable");
 
   int flag = 0;
   for (int i = 0; i < nlocal; i++) {