diff --git a/src/backend/utils/misc/postgresql.conf.sample b/src/backend/utils/misc/postgresql.conf.sample
index ed70223..20b4834 100644
--- a/src/backend/utils/misc/postgresql.conf.sample
+++ b/src/backend/utils/misc/postgresql.conf.sample
@@ -475,7 +475,7 @@
 #datestyle = 'iso, mdy'
 #intervalstyle = 'postgres'
 #timezone = unknown			# actually, defaults to TZ environment
-					# setting
+					# setting (change requires restart)
 #timezone_abbreviations = 'Default'     # Select the set of available time zone
 					# abbreviations.  Currently, there are
 					#   Default