Как увеличить кол-во вводимых ссылок в виджет

import requests
import time
import tkinter
from tkinter import *
from tkinter import messagebox
 
def SiteCheck():
    Site_Value=GetSiteBox.get("1.0","end-1c")
    Get_Response = requests.get(Site_Value)
    if Get_Response != 200:
        messagebox.showinfo(title = 'Will It Works ?', message = f"The website \"{Site_Value}\" doesn't works ")
    else :
        messagebox.showerror(title="OH NO !", message= f"The website \"{Site_Value}\"  works! ")
        time.sleep(0.4)
 
 
 
window = Tk()
window.title("SiteChecker")
window.geometry('400x300')
 
 
 
MainFrame = Frame(
    window,
    padx = 10,
    pady = 10
)
MainFrame.pack(expand=True)
weight_lb = Label(
    MainFrame,
    text="Insert links "
)
weight_lb.grid(row=3, column=1)
GetSiteBox = Text(
    MainFrame,
    height=1,
    width= 20
)
GetSiteBox.grid(row=3, column=3)
Check_Button = Button(
    MainFrame,
    command = SiteCheck,
    text='Start checking',
)
Check_Button.grid(row=4, column=3)
window.mainloop()

text = GetSiteBox.get('1.0', END).splitlines()
for line in text:
  ........