minor tutorial fixes
minor tutorial fixes

timwaters/building-inspector,nypl-spacetime/building-inspector,nypl-spacetime/building-inspector,NYPL/building-inspector,nypl-spacetime/building-inspector,nypl-spacetime/building-inspector,NYPL/building-inspector,NYPL/building-inspector,nypl-spacetime/building-inspector,timwaters/building-inspector,timwaters/building-inspector,NYPL/building-inspector,timwaters/building-inspector,NYPL/building-inspector