You can rename an entry contained in a KeyStore. There are more ways to do the renaming action:
using Edit Menu > Rename
;
using the context menu (by clicking the right mouse button and
then on Rename);
using the Rename toolbar icon;
use the keyboard shortcut, by default the F2 key (exactly as the Windows
Explorer renaming shortcut) or the CTRL+R combination.
Note that the alias will not be changed if the alias already exists in the KeyStore. An error message will notify the user in this cases, so the user can give another alias.