Need help customizing menus/buttons in GoldED/Cubic IDE

[hceline]

I want to change the make targets in the GolED toolbar for sas/c projects.
So I right click and select "Filetype properties"->"Toolbars" from menu.

I get the window named "sas.gadgets".
In this window I expand "SAS/"->"Buttons"->"toolbar/drop-project" and double click on "make mostlyclean"

This gets me a window named "make ´mostlyclean´", which lists the internal command:
SDK MAKE TARGET="mostlyclean" ALIAS"sas-c"
(see GoldED1.png)

Here I'm stuck trying to change "mostlyclean" to something else.
If I double-click this line nothing happens.
If I press the "down arrow" button, I can replace the command with other internal command. But if I do, I get the command with template in the list, and still no way of editing the arguments.
(see GoldED2.png)

Is there something wrong with my Cubic IDE installation, or am I missing something obvious here?

[hceline]

I should have RTFM more carefully. The trick was to single-click of use F2.