message: Note about adding to $PATH
diff: @@ -27,12 +27,15 @@ Go to the `bril-ts` directory and do this:
  $ yarn build
  $ yarn link
  -The last thing will install symlinks to the two utility programs---for me, they ended up in `/usr/local/bin`.
  -To find where these tools were probably installed on your machine, run `yarn global bin`.
  +The last thing will install symlinks to the two utility programs, but they may not be in a standard location.
  +To find where these tools were installed, run `yarn global bin`.
  +You probably want to [add this to your `$PATH`][path].
  +
  The tools are `brili`, an interpreter, which takes a Bril program as JSON on stdin, and `ts2bril`, which compiles a TypeScript file given on the command line to Bril.
  [node]: https://nodejs.org/en/
  [yarn]: https://yarnpkg.com/en/
  +[path]: https://unix.stackexchange.com/a/26059/61192
  ### Text Format
  