diff --git a/main.py b/main.py
index 0d8904b9cdbd873a8f2c3bfa49733d041813f635..e2a6fdb4d53d95da118f57f963ffe935fdb96d46 100644
--- a/main.py
+++ b/main.py
@@ -700,7 +700,7 @@ ttk.Button(tab4.frame, text='Set', command=calc_crit_4, width=8).grid(column=0,
 
 # --------------------------- TAB5 ---------------------------
 tab5 = Tab(tab_no='5', title='Size economy of the sample',
-           text1='Smaller sample sizes should be favoured, as long as sample representativeness is assured',
+           text1='Smaller sample sizes should be favoured, as long as sample representativeness is assured.',
            text2='Input mass [g] or volume [mL] of the sample:',
            criterion=criteria[4])
 
@@ -867,9 +867,9 @@ tab9 = Tab(tab_no='9', title='Post-sample preparation configuration for analysis
 
 tab9_choices = {'Simple, readily available detection: smartphones, desktop scanners, paper strips, etc.': 1.0,
                 'Spectrophotometry, surface analysis techniques, voltammetry, potentiometry, etc.': 0.75,
-                'Gas chromatography with non-MS detection, atomic absorption spectroscopy, etc.': 0.50,
+                'GC with non-MS detection, atomic absorption spectroscopy, capillary electrophoresis, etc.': 0.50,
                 'Liquid chromatography, gas chromatography with quadrupole detection, etc.': 0.25,
-                'Adv. mass spec. with high energy and/or noble gas consumption: ICP-OES, ICP-MS, etc.': 0}
+                'Advanced MS with high energy and/or noble gas consumption: ICP-OES, ICP-MS, etc.': 0}
 
 dropdown9 = ttk.OptionMenu(tab9.frame, criteria[8].optionvar, criteria[8].optionvar.get(), *tab9_choices.keys(),
                            command=lambda x: change_dropdown(criteria[8], tab9_choices))