Link merge_commit_sha explanation to deprecation

jasonrudolph · jasonrudolph · commit e6892a1bb81a · 2013-04-05T10:34:55.000-04:00
diff --git a/content/v3/pulls.md b/content/v3/pulls.md
@@ -62,7 +62,9 @@ to _test_ whether the pull request can be automatically merged into the base
 branch. (This _test_ commit is not added to the base branch or the head branch.)
 The Boolean `mergable` attribute indicates whether the pull request can be
 automatically merged. The `merge_commit_sha` attribute holds the SHA of the
-_test_ merge commit.
+_test_ merge commit. (The `merge_commit_sha` attribute is
+[deprecated](/#expected-changes) and is scheduled for removal in the next
+version of the API.)
 
 ### Alternative Response Formats
 
