diff --git a/db.json b/db.json
index 7a4d865..8a7cfba 100644
--- a/db.json
+++ b/db.json
@@ -1 +1 @@
-{"_default": {"1": {"-Serial Number-": "1234", "Brand": "dell", "Grade": "7", "Name": "jb"}}}
\ No newline at end of file
+{"_default": {"1": {"Serial Number": "123", "Brand": "d", "Grade": "7", "Name": "jb"}}}
\ No newline at end of file
diff --git a/main.py b/main.py
index a89e483..72cbc91 100644
--- a/main.py
+++ b/main.py
@@ -20,7 +20,7 @@ layout = [[sg.Menu([['File', ['Open', 'Save', 'Add Computer',]]])],
           [sg.Button('Check In'), sg.Button('Check Out')]]
 
 add_computer_layout = [[sg.Text("Serial Number")],
-          [sg.Input(key='-Serial Number-')],
+          [sg.Input(key='Serial Number')],
           [sg.Text("Brand")],
           [sg.Input(key='Brand')],
           [sg.Text("Grade")],