diff --git a/src/bin/initdb/initdb.c b/src/bin/initdb/initdb.c
new file mode 100644
index acd2514..ba9b688
*** a/src/bin/initdb/initdb.c
--- b/src/bin/initdb/initdb.c
*************** make_template0(void)
*** 1976,1981 ****
--- 1976,1983 ----
  		"REVOKE CREATE,TEMPORARY ON DATABASE template1 FROM public;\n",
  		"REVOKE CREATE,TEMPORARY ON DATABASE template0 FROM public;\n",
  
+ 		"COMMENT ON DATABASE template0 IS 'only used by pg_dump';\n",
+ 
  		/*
  		 * Finally vacuum to clean up dead rows in pg_database
  		 */