diff --git a/src/Mod/Fem/test_files/ccx/cube_frequency.inp b/src/Mod/Fem/test_files/ccx/cube_frequency.inp
index 39646c25d..f63124128 100644
--- a/src/Mod/Fem/test_files/ccx/cube_frequency.inp
+++ b/src/Mod/Fem/test_files/ccx/cube_frequency.inp
@@ -464,6 +464,10 @@ Eall
 68,
 69,
 
+***********************************************************
+** Node sets for prescribed displacement constraint
+** written by write_displacement_nodes function
+
 ***********************************************************
 ** Materials
 ** written by write_materials function
@@ -471,8 +475,7 @@ Eall
 **FreeCAD material name: Steel
 *MATERIAL, NAME=MechanicalMaterial
 *ELASTIC 
-200000 , 
-0.300
+200000 ,  0.300
 *DENSITY 
 7.900e-09, 
 
@@ -497,6 +500,11 @@ FemConstraintFixed,2
 FemConstraintFixed,3
 
 
+***********************************************************
+** Displacement constraint applied
+** written by write_displacement function
+
+
 ***********************************************************
 ** Frequency analysis
 ** written by write_frequency function
diff --git a/src/Mod/Fem/test_files/ccx/cube_static.inp b/src/Mod/Fem/test_files/ccx/cube_static.inp
index ee743b551..bda706cb2 100644
--- a/src/Mod/Fem/test_files/ccx/cube_static.inp
+++ b/src/Mod/Fem/test_files/ccx/cube_static.inp
@@ -464,6 +464,10 @@ Eall
 68,
 69,
 
+***********************************************************
+** Node sets for prescribed displacement constraint
+** written by write_displacement_nodes function
+
 ***********************************************************
 ** Node sets for loads
 ** written by write_node_sets_constraints_force function
@@ -476,8 +480,7 @@ Eall
 **FreeCAD material name: Steel
 *MATERIAL, NAME=MechanicalMaterial
 *ELASTIC 
-200000 , 
-0.300
+200000 ,  0.300
 *DENSITY 
 7.900e-09, 
 
@@ -502,6 +505,11 @@ FemConstraintFixed,2
 FemConstraintFixed,3
 
 
+***********************************************************
+** Displacement constraint applied
+** written by write_displacement function
+
+
 ***********************************************************
 ** Node loads
 ** written by write_constraints_force function