diff --git a/src/backend/utils/misc/postgresql.conf.sample b/src/backend/utils/misc/postgresql.conf.sample
index d6641f5166..a493eed21e 100644
--- a/src/backend/utils/misc/postgresql.conf.sample
+++ b/src/backend/utils/misc/postgresql.conf.sample
@@ -48,7 +48,7 @@
 #	Performance
 #
 #sort_mem = 512
-#shared_buffers = 2*max_connections # min 16
+#shared_buffers = 64	# 2*max_connections, min 16
 #fsync = true