diff --git a/NonLinearEVP/NonLinearEVP_data.geo b/NonLinearEVP/NonLinearEVP_data.geo
index 6ff92da4fd08b9ae90f0807e4267d6504ec38161..035af222e3daef2819c881fc5a62b5c4410ac4bc 100644
--- a/NonLinearEVP/NonLinearEVP_data.geo
+++ b/NonLinearEVP/NonLinearEVP_data.geo
@@ -30,30 +30,31 @@ DefineConstant[ a_lat = {50     , Name StrCat[pp0  , "1grating period d [nm]"]
 norm = a_lat/(2.*Pi*cel);
 
 DefineConstant[
-  d_sq           = {0.806 , Name StrCat[pp0 , "2sq [d]"]          , Highlight Str[colorpp0]  , Closed close_menu} , 
-  space2pml      = {1     , Name StrCat[pp0 , "3space2pml [d]"]  , Highlight Str[colorpp0]  , Closed close_menu} , 
-  pmlsize        = {5     , Name StrCat[pp0 , "4pmlsize [d]"]     , Highlight Str[colorpp0]  , Closed close_menu} , 
+  d_sq           = {0.806 , Name StrCat[pp0 , "2sq [d]"] , Highlight Str[colorpp0]  , Closed close_menu} , 
+  space2pml      = {1     , Name StrCat[pp0 , "3PML distance to object [d]"]  , Highlight Str[colorpp0]  , Closed close_menu} , 
+  pmlsize        = {5     , Name StrCat[pp0 , "4PML thickness [d]"] , Highlight Str[colorpp0]  , Closed close_menu} , 
   
-  flag_Hparallel = {1     , Name StrCat[pp1 , "1polarization case"]       , Choices {0="E //",1="H //"} },
-  kx             = {0.75  , Name StrCat[pp1 , "2kx [Pi\a]"]          , Highlight Str[colorpp1]  , Closed close_menu} , 
+  flag_Hparallel = {1     , Name StrCat[pp1 , "1polarization case"] , Choices {0="E //",1="H //"} },
+  kx             = {0.75  , Name StrCat[pp1 , "2kx [Pi\a]"] , Highlight Str[colorpp1]  , Closed close_menu} , 
 
-  eps_oo_1       = {1     , Name StrCat[pp2 , "0eps_oo_1 [ - ]"]    , Highlight Str[colorpp2]  , Closed close_menu} , 
-  om_d_1         = {1.1   , Name StrCat[pp2 , "1om_d_1 [2cPi\a]"]      , Highlight Str[colorpp2]  , Closed close_menu} , 
-  gam_1          = {0.05  , Name StrCat[pp2 , "2gam_1 [2cPi\a]"]       , Highlight Str[colorpp2]  , Closed close_menu} , 
+  eps_oo_1       = {1     , Name StrCat[pp2 , "0eps_oo_1 [ - ]"] , Highlight Str[colorpp2]  , Closed close_menu} , 
+  om_d_1         = {1.1   , Name StrCat[pp2 , "1om_d_1 [2Pic\a]"] , Highlight Str[colorpp2]  , Closed close_menu} , 
+  gam_1          = {0.05  , Name StrCat[pp2 , "2gam_1 [2Pic\a]"] , Highlight Str[colorpp2]  , Closed close_menu} , 
   
-  neig          =  {1     , Name StrCat[pp3 , "0neig [int]"]             , Highlight Str[colorpp3]  , Closed close_menu} ,
-  eig_target_re  = {0.0077, Name StrCat[pp3 , "1eig_target_re [2cPi\a]"] , Highlight Str[colorpp3]  , Closed close_menu} , 
-  eig_target_im  = {0.2598, Name StrCat[pp3 , "2eig_target_im [2cPi\a]"] , Highlight Str[colorpp3]  , Closed close_menu} , 
-  eig_min_re     = {0.007 , Name StrCat[pp3 , "3eig_min_re [2cPi\a]"]    , Highlight Str[colorpp3]  , Closed close_menu} , 
-  eig_max_re     = {0.009 , Name StrCat[pp3 , "4eig_max_re [2cPi\a]"]    , Highlight Str[colorpp3]  , Closed close_menu} , 
-  eig_min_im     = {0.25  , Name StrCat[pp3 , "5eig_min_im [2cPi\a]"]    , Highlight Str[colorpp3]  , Closed close_menu} , 
-  eig_max_im     = {0.27  , Name StrCat[pp3 , "6eig_max_im [2cPi\a]"]    , Highlight Str[colorpp3]  , Closed close_menu} , 
+  neig          =  {1     , Name StrCat[pp3 , "0Number of eigenvalues [int]"] , Highlight Str[colorpp3]  , Closed close_menu} ,
+  eig_target_re  = {0.0077, Name StrCat[pp3 , "1EV real part target [2Pic\a]"] , Highlight Str[colorpp3]  , Closed close_menu} , 
+  eig_target_im  = {0.2598, Name StrCat[pp3 , "2EV imag part target [2Pic\a]"] , Highlight Str[colorpp3]  , Closed close_menu} , 
+  eig_min_re     = {0.007 , Name StrCat[pp3 , "3EV real min [2Pic\a]"] , Highlight Str[colorpp3]  , Closed close_menu} , 
+  eig_max_re     = {0.009 , Name StrCat[pp3 , "4EV real max [2Pic\a]"] , Highlight Str[colorpp3]  , Closed close_menu} , 
+  eig_min_im     = {0.25  , Name StrCat[pp3 , "5EV imag min [2Pic\a]"] , Highlight Str[colorpp3]  , Closed close_menu} , 
+  eig_max_im     = {0.27  , Name StrCat[pp3 , "6EV imag max [2Pic\a]"] , Highlight Str[colorpp3]  , Closed close_menu} , 
 
-  paramaille     = {4     , Name StrCat[pp4 , "0paramaille [nm]"]  , Highlight Str[colorpp4]  , Closed close_menu} , 
-  flag_Tmesh     = {0     , Name StrCat[pp4 , "2mesh type"]               , Choices {0="unstruct",1="struct"} },
-  flag_o2        = {1     , Name StrCat[pp4 , "3FEM order"]               , Choices {0="o1",1="o2"} },
+  paramaille     = {4     , Name StrCat[pp4 , "0number of mesh elements per period []"]  , Highlight Str[colorpp4]  , Closed close_menu} , 
+  flag_Tmesh     = {0     , Name StrCat[pp4 , "2locally structured mesh?"] , Choices {0="unstruct",1="struct"} },
+  flag_o2        = {1     , Name StrCat[pp4 , "3FEM order"] , Choices {0="o1",1="o2"} },
   
-  flag_res       = {2     , Name StrCat[pp5  , "0resolution type"], Choices {0="Aux_E" ,1="PEP_E" ,2="NEP_E" ,3="Lag_E" ,4="PEP_h", 5="all"},ServerAction "ResetDatabase"},
+  flag_res       = {2     , Name StrCat[pp5  , "0resolution type"], 
+                      Choices {0="Aux_E" ,1="PEP_E" ,2="NEP_E" ,3="Lag_E" ,4="PEP_h", 5="all"},ServerAction "ResetDatabase"},
   flag_outEigvec = {1     , Name StrCat[pp4, "output eigenvector?"], Choices{0,1}}
 ];