diff --git a/src/backend/utils/misc/postgresql.conf.sample b/src/backend/utils/misc/postgresql.conf.sample
index 34a5798a9cd..618cdabcecc 100644
--- a/src/backend/utils/misc/postgresql.conf.sample
+++ b/src/backend/utils/misc/postgresql.conf.sample
@@ -229,7 +229,7 @@
 #wal_skip_threshold = 2MB
 
 #commit_delay = 0			# range 0-100000, in microseconds
-#commit_siblings = 5			# range 1-1000
+#commit_siblings = 5			# range 0-1000
 
 # - Checkpoints -