diff --git a/main.py b/main.py
index 4c9ab96bda8b940c812dbee09beb904b3665ac22..c39acd789bfd8d4bfaffacefa0965ec69e360f3d 100644
--- a/main.py
+++ b/main.py
@@ -8,7 +8,7 @@ from matplotlib import colormaps
 
 # start the main app:
 root = tk.Tk()
-root.title('BAGI alpha')
+root.title('BAGI beta 0.9')
 root.geometry('760x500')
 root.iconbitmap('Icon.ico')
 
@@ -83,24 +83,27 @@ def call_info_popup():
     win_frame.pack()
     win.iconbitmap('Icon.ico')
     win.wm_title('About and citation info')
-    text = ttk.Label(win_frame, text='If you use BAGI, please cite:', wraplength=280, justify='left')
-    text.grid(column=0, row=0, padx=8, pady=8, sticky='w')
+    text0 = ttk.Label(win_frame, text='The Blue Applicability Grade Index (BAGI) is a metric tool for evaluating the practicability of a method in analytical chemistry and scoring them from 25 to 100 (the higher the score, the more practical the method). It can be used to quickly find the strong and weak points of a method in terms of its applicability and to compare the performance of different analytical methods.',
+                      wraplength=380, justify='left')
+    text0.grid(column=0, row=0, padx=8, pady=8, sticky='w')
+    text1 = ttk.Label(win_frame, text='If you use BAGI, please cite:', wraplength=280, justify='left')
+    text1.grid(column=0, row=1, padx=8, pady=8, sticky='w')
     text2 = tk.Text(win_frame, width=50, height=5, wrap='word', bg=colors['background'])
     citation = 'N. Manousi, W. Wojnowski, J. Płotka-Wasylka, V. Samanidou, Blue Applicability Grade Index'\
                    '(BAGI) and Software: A new tool for the evaluation of method’s practicality, ' \
                    'doi.org/XX.XXXX/XXXXXXXXXX'
-    text2.grid(column=0, row=1, padx=8, pady=8, sticky='w')
+    text2.grid(column=0, row=2, padx=8, pady=8, sticky='w')
     text2.insert(tk.END, citation)
     text3 = ttk.Label(win_frame, text='Most recent version of the source code can be found at:', wraplength=320, justify='left')
-    text3.grid(column=0, row=2, padx=8, pady=8, sticky='w')
+    text3.grid(column=0, row=3, padx=8, pady=8, sticky='w')
     text4 = tk.Text(win_frame, width=50, height=1, wrap='word', bg=colors['background'])
     source_link = 'git.pg.edu.pl/p174235/bagi'
-    text4.grid(column=0, row=3, padx=8, pady=8, sticky='w')
+    text4.grid(column=0, row=4, padx=8, pady=8, sticky='w')
     text4.insert(tk.END, source_link)
     text5 = ttk.Label(win_frame, text='© 2023 N. Manousi, W. Wojnowski, J. Płotka-Wasylka, V. Samanidou 2023, '
                                       'available under the MIT License', wraplength=380,
                       justify='left')
-    text5.grid(column=0, row=4, padx=8, pady=8, sticky='w')
+    text5.grid(column=0, row=5, padx=8, pady=8, sticky='w')
 
 
 
@@ -339,7 +342,7 @@ dropdown9 = Dropdown(criterion=criteria[9], options={
 
 dropdown10 = Dropdown(criterion=criteria[10], options={
     '>1000 ÎźL (or mg) bioanalytical samples; >100 mL (or g) food/environmental': 2.5,
-    '501-1000 ÎźL (or mg) bioanalytical samples; 51-100 mL (or g) food/environmental': 5.0,
+    '501-1000 ÎźL (or mg) bioanalytical samples; 50.1-100 mL (or g) food/environmental': 5.0,
     '100-500 ÎźL (or mg) bioanalytical samples; 10-50 ml (or g) food/environmental': 7.5,
     '<100 ÎźL (or mg) bioanalytical samples; <10 mL (or g) food/environmental': 10.0},
     row=19, label_text='10. Amount of sample')
@@ -354,4 +357,3 @@ def main():
 
 
 main()
-