Tab-Text
This property defines the title of the page identified by the 
Tab-Index property.
When values are enclosed between parentheses, the 
Tab-Index property is ignored, the 1st value refers to the 1st Tab, the 2nd value refers to the 2nd Tab and so on.
 
Example - Modify a Ribbon control to change the tab title
procedure division. ...   modify screen-1-rbn-1-hdl           tab-index 3 tab-text "Ops 3 (disabled)" ...  |