--- a/src/backend/utils/misc/postgresql.conf.sample
+++ b/src/backend/utils/misc/postgresql.conf.sample
@@ -1,6 +1,6 @@
-# -----------------------------
-# PostgreSQL configuration file
-# -----------------------------
+# ----------------------------------------
+# AgensGraph/PostgreSQL configuration file
+# ----------------------------------------
 #
 # This file consists of lines of the form:
 #
@@ -61,7 +61,7 @@
 					# comma-separated list of addresses;
 					# defaults to 'localhost'; use '*' for all
 					# (change requires restart)
-#port = 5432				# (change requires restart)
+#port = 5434				# (change requires restart)
 #max_connections = 100			# (change requires restart)
 #superuser_reserved_connections = 3	# (change requires restart)
 unix_socket_directories = '/run/agensgraph'	# comma-separated list of directories