diff --git a/src/backend/utils/misc/postgresql.conf.sample b/src/backend/utils/misc/postgresql.conf.sample
index 3e68afd275..1c97f59ed3 100644
--- a/src/backend/utils/misc/postgresql.conf.sample
+++ b/src/backend/utils/misc/postgresql.conf.sample
@@ -155,7 +155,7 @@
 # - Background Writer -
 
 #bgwriter_delay = 200ms			# 10-10000ms between rounds
-#bgwriter_lru_maxpages = 100		# 0-1000 max buffers written/round
+#bgwriter_lru_maxpages = 100		# max buffers written/round, 0 disables
 #bgwriter_lru_multiplier = 2.0		# 0-10.0 multiplier on buffers scanned/round
 #bgwriter_flush_after = 0		# measured in pages, 0 disables