Update better_hello_tkinter.py

Author: maxschnadt

Chapter01/better_hello_tkinter.py

@@ -18,7 +18,7 @@ def __init__(self, parent, *args, **kwargs):
         name_entry = ttk.Entry(self, textvariable=self.name)
         ch_button = ttk.Button(self, text="Change", command=self.on_change)
         hello_label = ttk.Label(self, textvariable=self.hello_string,
-            font=("TkDefaultFont", 64), wraplength=600)
+                                font=("TkDefaultFont", 64), wraplength=600)
 
         # Layout form
         name_label.grid(row=0, column=0, sticky=tk.W)