Update 4.7-rc.md

doc/4.7-rc.md

@@ -42,11 +42,10 @@ For each git repo, we want to create a new branch for the RC. This follows a nam
 
 The commands `git scan branch` and `git scan push` will do this – if you have a copy of each repo.
 
-A safe way to make a clean copy of every repo is to create a new `dist` build:
+A safe way to make a clean copy of every repo is to create a new `dist` build (`civibuild create dist`). On `latest.civicrm.org`, there's already a copy in `~/src/4.7`. Either way, you should make sure it's up-to-date on all relevant branches -- then make new branches:
 
 ```bash
 ## Clone all the repos. Ensure that you have a clean, up-to-date copy of the `master` branch.
-civibuild create dist 
 cd ~/src/4.7
 git scan foreach -c 'pwd; git branch; echo'
 git scan status