commit fcdf3ceb0579f4b308b39ee6a957fe47a66bde32
Author:     Alvaro Herrera <alvherre@alvh.no-ip.org> [Álvaro Herrera <alvherre@alvh.no-ip.org>]
AuthorDate: Thu Jan 19 13:33:12 2023 +0100
CommitDate: Thu Jan 19 13:33:12 2023 +0100

    Alvaro review

diff --git a/doc/src/sgml/bloom.sgml b/doc/src/sgml/bloom.sgml
index 672ac2ed19..19f2b172cc 100644
--- a/doc/src/sgml/bloom.sgml
+++ b/doc/src/sgml/bloom.sgml
@@ -1,7 +1,7 @@
 <!-- doc/src/sgml/bloom.sgml -->
 
 <sect1 id="bloom" xreflabel="bloom">
- <title>bloom &mdash; bloom filter index access</title>
+ <title>bloom &mdash; bloom filter index access method</title>
 
  <indexterm zone="bloom">
   <primary>bloom</primary>
diff --git a/doc/src/sgml/btree-gin.sgml b/doc/src/sgml/btree-gin.sgml
index 0eaea0dbcd..c9efe1cccf 100644
--- a/doc/src/sgml/btree-gin.sgml
+++ b/doc/src/sgml/btree-gin.sgml
@@ -1,15 +1,14 @@
 <!-- doc/src/sgml/btree-gin.sgml -->
 
 <sect1 id="btree-gin" xreflabel="btree_gin">
- <title>btree_gin &mdash;
-   sample GIN B-tree equivalent operator classes [trusted]</title>
+ <title>btree_gin &mdash; GIN B-tree equivalent operator classes [trusted]</title>
 
  <indexterm zone="btree-gin">
   <primary>btree_gin</primary>
  </indexterm>
 
  <para>
-  <filename>btree_gin</filename> provides sample GIN operator classes that
+  <filename>btree_gin</filename> provides GIN operator classes that
   implement B-tree equivalent behavior for the data types
   <type>int2</type>, <type>int4</type>, <type>int8</type>, <type>float4</type>,
   <type>float8</type>, <type>timestamp with time zone</type>,
diff --git a/doc/src/sgml/contrib.sgml b/doc/src/sgml/contrib.sgml
index 810ca73f81..8816e06337 100644
--- a/doc/src/sgml/contrib.sgml
+++ b/doc/src/sgml/contrib.sgml
@@ -1,7 +1,7 @@
 <!-- doc/src/sgml/contrib.sgml -->
 
 <appendix id="contrib">
- <title>Additional Supplied Modules and Extensions</title>
+ <title>Additional Supplied Extensions and Modules</title>
 
  <para>
   This appendix and the next one contain information on the
@@ -55,7 +55,8 @@
  </para>
 
  <para>
-  Many components supply new user-defined functions, operators, or types.
+  Many components supply new user-defined functions, operators, or types,
+  packaged as <firstterm>extensions</firstterm>.
   To make use of one of these extensions, after you have installed the code
   you need to register the new SQL objects in the database system.
   This is done by executing
@@ -66,7 +67,7 @@
 CREATE EXTENSION <replaceable>extension_name</replaceable>;
 </programlisting>
 
-  This command registers the new SQL objects in the current database only,
+  This command only registers the new SQL objects in the current database,
   so you need to run it in every database in which you want
   the extension's facilities to be available.  Alternatively, run it in
   database <literal>template1</literal> so that the extension will be copied into
diff --git a/doc/src/sgml/isn.sgml b/doc/src/sgml/isn.sgml
index 0568436a26..27abdc8c66 100644
--- a/doc/src/sgml/isn.sgml
+++ b/doc/src/sgml/isn.sgml
@@ -2,7 +2,7 @@
 
 <sect1 id="isn" xreflabel="isn">
  <title>isn &mdash;
-   data types for various ISN standards (UPC, books, etc.) [trusted]</title>
+   data types for item numbers (ISBN, EAN, UPC, etc.) [trusted]</title>
 
  <indexterm zone="isn">
   <primary>isn</primary>
diff --git a/doc/src/sgml/lo.sgml b/doc/src/sgml/lo.sgml
index c51781b0bb..511e576cac 100644
--- a/doc/src/sgml/lo.sgml
+++ b/doc/src/sgml/lo.sgml
@@ -1,7 +1,7 @@
 <!-- doc/src/sgml/lo.sgml -->
 
 <sect1 id="lo" xreflabel="lo">
- <title>lo &mdash; manage large objects (BLOBs) [trusted]</title>
+ <title>lo &mdash; manage large objects [trusted]</title>
 
  <indexterm zone="lo">
   <primary>lo</primary>