diff --git a/README.rst b/README.rst
index 49fca2aba..677689bc0 100644
--- a/README.rst
+++ b/README.rst
@@ -85,6 +85,17 @@ Thanks for using Matrix!
 [1] End-to-end encryption is currently in beta: `blog post <https://matrix.org/blog/2016/11/21/matrixs-olm-end-to-end-encryption-security-assessment-released-and-implemented-cross-platform-on-riot-at-last>`_.
 
 
+Support
+=======
+
+For support installing or managing Synapse, please join |room|_ (from a matrix.org
+account if necessary) and ask questions there. We do not use GitHub issues for
+support requests, only for bug reports and feature requests.
+
+.. |room| replace:: ``#synapse:matrix.org``
+.. _room: https://matrix.to/#/#synapse:matrix.org
+
+
 Synapse Installation
 ====================
 
diff --git a/changelog.d/7392.doc b/changelog.d/7392.doc
new file mode 100644
index 000000000..29daa19f9
--- /dev/null
+++ b/changelog.d/7392.doc
@@ -0,0 +1 @@
+Spell it in an even more obvious way that the support channel for Synapse is `#synapse:matrix.org`.