diff --git a/src/fix_langevin.cpp b/src/fix_langevin.cpp
index e742142a6c..d633b171f7 100644
--- a/src/fix_langevin.cpp
+++ b/src/fix_langevin.cpp
@@ -450,11 +450,11 @@ int FixLangevin::modify_param(int narg, char **arg)
     strcpy(id_temp,arg[1]);
 
     int icompute = modify->find_compute(id_temp);
-    if (icompute < 0) error->all("Could not find fix_modify temp ID");
+    if (icompute < 0) error->all("Could not find fix_modify temperature ID");
     temperature = modify->compute[icompute];
 
     if (temperature->tempflag == 0)
-      error->all("Fix_modify temp ID does not compute temperature");
+      error->all("Fix_modify temperature ID does not compute temperature");
     if (temperature->igroup != igroup && comm->me == 0)
       error->warning("Group for fix_modify temp != fix group");
     return 2;