doc: PG 13 relnotes, add attributions and wording changes

diff --git a/doc/src/sgml/release-13.sgml b/doc/src/sgml/release-13.sgml
index d9d07e2c54abcd5fd1aefde5d01ce55b6a54c85d..9cc1e9205dc8abefa6eef53eb520caa8483b7cec 100644 (file)
--- a/doc/src/sgml/release-13.sgml
+++ b/doc/src/sgml/release-13.sgml
@@ -532,7 +532,7 @@ Author: Tomas Vondra 
 -->
 
 
-Implement incremental sorting (James Coleman, Alexander Korotkov)
+Implement incremental sorting (James Coleman, Alexander Korotkov, Tomas Vondra)
 
 
 
@@ -582,7 +582,7 @@ Allow grouping sets to use hash aggregation with disk storage for large grouping
 
 
 
-Previously, hash aggregation was not used if it was expected to use more than work_mem memory.  This is controlled by enable_hashagg_disk.
+Previously, hash aggregation was avoided if it was expected to use more than work_mem memory.  This is controlled by enable_hashagg_disk.
 WHAT USED TO HAPPEN?
 
 
@@ -627,7 +627,7 @@ Allow skipping of WAL for new tables and indexes if wal_level is 'minimal' (Noah
 
 
 
-Relations larger than wal_skip_threshold will have their files fynsced rather than writing their WAL records.
+Relations larger than wal_skip_threshold will have their files fsync'ed rather than writing their WAL records.
 
 
 
@@ -797,7 +797,7 @@ Author: Tom Lane 
 -->
 
 
-Improve control of prepared statement parameter logging (Alexey Bashtanov, Álvaro Herrera)
+Improve control of prepared statement parameter logging (Alexey Bashtanov, Álvaro Herrera, Tom Lane)