Hide state transition comment dialog box - change not taking effect in vault

Hello, I found instructions for hiding the comment dialog box that pops up when a user changes the workflow state. I have it set to 'do not show comment dialog', saved the changes, but it didn't work. I tried restarting the vault, but the comment dialog box continues to pop up. Am I missing a step? 

This is the current setting, but the change state comment dialog box continues to open: 

Parents Reply Children
No Data