diff --git a/src/read_data.cpp b/src/read_data.cpp
index 79d88148c5..cf7b224db2 100644
--- a/src/read_data.cpp
+++ b/src/read_data.cpp
@@ -174,13 +174,13 @@ void ReadData::command(int narg, char **arg)
         addflag = VALUE;
         bigint offset = utils::bnumeric(FLERR, arg[iarg + 1], false, lmp);
         if (offset > MAXTAGINT)
-          error->all(FLERR, "Read data add atomID offset {} is too big", offset);
+          error->all(FLERR, "Read data add IDoffset {} is too big", offset);
         id_offset = offset;
 
         if (atom->molecule_flag) {
           offset = utils::bnumeric(FLERR, arg[iarg + 2], false, lmp);
           if (offset > MAXTAGINT)
-            error->all(FLERR, "Read data add molID offset {} is too big", offset);
+            error->all(FLERR, "Read data add MOLoffset {} is too big", offset);
           mol_offset = offset;
           iarg++;
         }
diff --git a/src/reset_atoms_mol.cpp b/src/reset_atoms_mol.cpp
index 54d3bbcc76..363e2f08eb 100644
--- a/src/reset_atoms_mol.cpp
+++ b/src/reset_atoms_mol.cpp
@@ -211,7 +211,7 @@ void ResetAtomsMol::reset()
 
     // if offset < 0 (default), reset it
     // if group = all, offset = 0
-    // else offset = largest molID of non-group atoms
+    // else offset = largest molecule ID of non-group atoms
 
     if (offset < 0) {
       if (groupbit != 1) {