minor #127 tweaking draft PR language (weaverryan)

This PR was merged into the master branch.

Discussion
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tweaking draft PR language

Commits
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cef9419 tweaking draft PR language

Author: weaverryan

src/Subscriber/CloseDraftPRSubscriber.php

@@ -41,8 +41,9 @@ public function onPullRequest(GitHubEvent $event)
 
 $complement
 
-Could you please click the "ready for review" button? Or maybe close this PR and open a new one when you are done.
-Note that a pull request does not have to be "perfect" or "ready for merge" when you first open it, but it should be ready for a first review.
+To help keep things organized, we don't allow "Draft" pull requests. Could you please click the "ready for review" button or close this PR and open a new one when you are done?
+
+Note that a pull request does not have to be "perfect" or "ready for merge" when you first open it. We just want it to be ready for a first review.
 
 Cheers!