Correct grammar of CREATE TABLE and CLEAN CONNECTION in docs

Some brackets were used on mandatory arguments of some clauses.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/backend/parser/gram.y b/src/backend/parser/gram.y
index 9b54ce8c0c..8979504fa2 100644
--- a/src/backend/parser/gram.y
+++ b/src/backend/parser/gram.y
@@ -8219,7 +8219,7 @@ explain_option_arg:
 /*****************************************************************************
  *
  *		QUERY:
- *				EXECUTE DIRECT ON (nodename, ...) query
+ *				EXECUTE DIRECT ON nodename [, ... ] query
  *
  *****************************************************************************/
 
@@ -8245,7 +8245,7 @@ DirectStmt:
  *
  *		QUERY:
  *
- *		CLEAN CONNECTION TO (COORDINATOR nodename | NODE nodename | ALL {FORCE})
+ *		CLEAN CONNECTION TO { COORDINATOR nodename | NODE nodename | ALL {FORCE} }
  *				[ FOR DATABASE dbname ]
  *				[ TO USER username ]
  *