diff --git a/src/fix_set_force.cpp b/src/fix_set_force.cpp
index 71aee1f9ed..5ef89e9069 100644
--- a/src/fix_set_force.cpp
+++ b/src/fix_set_force.cpp
@@ -132,7 +132,7 @@ void FixSetForce::min_post_force(int vflag)
 }
 
 /* ----------------------------------------------------------------------
-   allow setforce stats to be printed with thermo output
+   allow setforce values to be printed with thermo output
    n = 1,2,3 = components of total force on fix group before reset
 ------------------------------------------------------------------------- */
 
diff --git a/src/modify.cpp b/src/modify.cpp
index e168d7411a..3cb076ee7f 100644
--- a/src/modify.cpp
+++ b/src/modify.cpp
@@ -779,7 +779,8 @@ void Modify::list_init_end_of_step(int mask, int &n, int *&list)
 
 /* ----------------------------------------------------------------------
    create list of fix indices for thermo energy fixes
-   only added to list if its thermo_energy flag was set via fix_modify
+   only added to list if fix has THERMO_ENERGY mask
+   and its thermo_energy flag was set via fix_modify
 ------------------------------------------------------------------------- */
 
 void Modify::list_init_thermo_energy(int mask, int &n, int *&list)