Here are hints how the supportedIDs.csv shall be edited

Comments can be put in first line or Leave the it blank.
Enter element ID and the help text associated with it in single line separated with comma (","). 
E.g. qgn_prop_psln_appsgrid_sub,help text for this element goes here

To edit it:
1) Open supportedIDs.csv
2) Make changes.
3) Save it.