diff --git a/doc/release_notes_3.0.0.txt b/doc/release_notes_3.0.0.txt
index 0791ac995..89ef1cb79 100644
--- a/doc/release_notes_3.0.0.txt
+++ b/doc/release_notes_3.0.0.txt
@@ -11,6 +11,7 @@
 * The only supported migrations are
 *   from any ejabberd 0.9.0 ... 2.1.5 to the final 3.0.0.
 * Don't use this preliminary ejabberd release for a production server.
+* Also, Pubsub/PEP is not yet ready for alpha-testing in this release.
 * You can test this release with a blank database or with a copy of your
 *   production database, but don't let your users connect to this copy
 *   because their changes may get lost when you upgrade to the final 3.0.0.