Fixes deprecated method use. Reported on GitHub.
Fixes deprecated method use. Reported on GitHub.

https://github.com/googlesamples/apps-script/issues/17
https://developers.google.com/apps-script/reference/document/range

Change-Id: Ida7edacee9e8589b1e06e6d05e12664a8da219b2

googleworkspace/apps-script-samples,gsuitedevs/apps-script-samples,gsuitedevs/apps-script-samples,googleworkspace/apps-script-samples