After successfully performing an "Skillgroup Search," within the Skillgroup component, you will be presented with a list of one or more skillgroups.
From here you can modify (depending on your level of permissions within the system) the values associated with a given skillgroup. Simply select the "Edit" button next the skillgroup you wish to modify. You will then be brought to the "Modify Skillgroup" sub-tab page. Here you can edit the skillgroup description by manipulating the text in the "Description" field and clicking on the "Apply Changes" button. You can refresh the page to reflect an un-applied changes by selecting the "Refresh" button or cancel any un-applied changes and return to the "Skillgroup Search" sub-tab page by selecting the "Cancel" button.