diff --git a/repmgr.conf.sample b/repmgr.conf.sample
index 56d362d3..0f0e9bae 100644
--- a/repmgr.conf.sample
+++ b/repmgr.conf.sample
@@ -60,3 +60,8 @@ pg_bindir=/usr/bin/
 # value is 300)
 #
 # retry_promote_interval_secs=300
+
+
+# physical replication slots - PostgreSQL 9.4 and later only
+#
+# use_replication_slots=1
\ No newline at end of file