A couple more tweaks to CONTRIBUTING.md; #587

CONTRIBUTING.md

@@ -44,18 +44,18 @@ Find us on Twitter or Freenode if you get stuck (see above).
 **Collaborators.** We’re pretty liberal about adding and removing
 collaborators. Generally if you give us one good pull request and show an
 interest in continuing to be part of the Gittip dev team we’ll give you
-access. We always ask your permission before doing so. Likewise if you get
-bored of Gittip and drift away, that’s fine. After a month or two and
-we’ll try double-checking with you before taking you off the list until
-Gittip becomes interesting again. :^)
+access. We always ask your permission before doing so. If you get bored of
+Gittip and drift away, that’s fine. After a month or two we’ll try
+double-checking with you before taking you off the list until Gittip becomes
+interesting again. :^)
 
 **Pull Requests.** You’ll have push permission on the repos you’re
-working on, but you shouldn’t use it. We have to give you that permission
-because it’s bundled with other permissions that we *do* want you to
-have, such as assigning tickets to yourself and labelling tickets. Please use
-pull requests to submit your work for code review. Please keep your pull
-requests fairly small, and please rebase your work onto the end of master
-before submitting it.
+working on, but you shouldn’t use it until you’re invited to do so.
+We give you that permission because it’s bundled with other permissions
+that we *do* want you to have, such as assigning tickets to yourself and
+labelling tickets. Please use pull requests to submit your work for code
+review. Please keep your pull requests fairly small, and please rebase your
+work onto the end of master before submitting it.
 
 **Assignments.** Everyone is responsible for their own ticket assignments, as a
 way to be sure each of us owns the work we’re doing. You should never