Point to our deprecation policy

erikjohnston · erikjohnston · commit f0d18772f3bb · 2022-11-16T16:37:22.000Z
diff --git a/CHANGES.md b/CHANGES.md
@@ -1,7 +1,7 @@
 Synapse 1.72.0rc1 (2022-11-16)
 ==============================
 
-Please note that we now only support PostgreSQL 11+, because PostgreSQL 10 has reached end-of-life.
+Please note that we now only support PostgreSQL 11+, because PostgreSQL 10 has reached end-of-life, c.f. our [Deprecation Policy](https://github.com/matrix-org/synapse/blob/develop/docs/deprecation_policy.md).
 
 Features
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