[DOCS] Wording in pg_upgrade IMPLEMENTATION

The following sentence in src/bin/pg_upgrade/IMPLEMENTATION seems to not be quite right: "This is the steps ensures that the proper tuples are visible from the new cluster.” Patch with proposed wordsmithing is attached. cheers ./daniel pg_upgrade_implementation_wording.diff Description: B

[DOCS] Several fixes for parallel.sgml

Hello, Please consider committing a couple of corrections for parallel.sgml. Best regards, Alexander diff --git a/doc/src/sgml/parallel.sgml b/doc/src/sgml/parallel.sgml index c80d42d..b8f33b3 100644 --- a/doc/src/sgml/parallel.sgml +++ b/doc/src/sgml/parallel.sgml @@ -148,7 +148,7 @@ EXPLAIN SE