To edit an accepted scorecard as an organisation/competition admin see the video below.
click Admin
Click COMPETITIONS
Click Search by name
Click Competition
click fixture option menu
Click Edit Result
Click Result Menu
Click Edit Scorecard
Click Team List
Click Add to Match (Adding player to squad)
Click Edit
Click highlight
Click Update
Click Edit
Click highlight
Click highlight
Click 2nd Innings
Click Player Name
Select Newly Added Player
Click Stumped
Edit wicket type to Bowled
Edit Bowler
Edit Runs
Edit Total Runs, Overs, Wickets
Click Ida
Edit Bowler
Edit Bowling Stats
Click Finish
Click Update Result
That's it. You're done.