[x/tour] go-tour: more precise wording to describe &T{}
[x/tour] go-tour: more precise wording to describe &T{}

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/9228043
X-Tour-Commit: 877bace0862f36c2b6283d702fe2bd6eb516b171

golang/website,golang/website,golang/website,golang/website,golang/website,golang/website,golang/website