In the R-group dialog you can change the selected R-group label.
R-group dialog has two types depending on the context it is opened. (You would like to change the R-group label in scaffold molecules or the R-group definitions.)
1.
How to change the R-group label in scaffold molecules
Select the Smart R-group tool then click on the R-group label you would like to change.
In the opening R-group dialog you can set the R-group count.
You can swich off the auto numbering here, when you would like to put more than one R group with the same label.
After clicking the OK button the changes will be applied.
2.
How to change the R-group label of an R-group definition
Select the Smart R-group tool then click on the R-group label you would like to change.
In the opening R-group dialog you can set the count of the R-group definition.
After clicking the OK button the changes will be applied.