README tweaks
git-svn-id: https://svn.apache.org/repos/asf/sling/branches/archived@1812851 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/README.md b/README.md
index 3466b5a..c6b0d57 100644
--- a/README.md
+++ b/README.md
@@ -2,13 +2,14 @@
This repository used to contain the Apache Sling git mirror. With the
[migration to Git](https://issues.apache.org/jira/browse/SLING-3987)
-the content represents and older state and should not be relied upon.
+the content is out of date and should not be relied upon.
This repository is still kept to prevent broken links from various
-sites to pull requests or commits.
+sites to pull requests or commits. Note that all git repositories
+have been migrated with history, so there should be no reason
+to clone this repository.
Please do not open pull requests, they will be ignored.
For more information about the Apache Sling source repositories, see
-the [project information](https://sling.apache.org/project-information.
-html#source-repository).
+the [project information](https://sling.apache.org/project-information.html#source-repository).
