This KB will show you how to edit Cisco Access lists, Since IOS 12.2 we no longer need to use notepad to edit access list.
This KB is only valid to Cisco IOS 12.2 or higher.
Cisco has a new command that make editing and deleting easy, The new command is ip access-list.
Solution: Edit ACL.
Type the show ip-access-list to see all ACL
RTR#sh ip access-lists
Standard IP access list 23
10 permit 192.168.1.2
30 permit 10.50.0.0, wildcard bits 0.0.7.255
Edit ACL command
RTR(config)#ip access-list standard 23