CLI template for Cisco 851W/871W standard IOS

Hi
I replace the varibles in the in the variable sheet and then i click on rplace then what happens?

Im Lost here:

Reference sheet in the configuration template with substitute variable names in red and enclosed in [brackets]. The Replace button will copy the contents of the Reference sheet to a new sheet named 871W (user configurable in cell G5) with an auto-incrementing number behind it for each new configuration you create.