doc: backpatch MVCC wording improvements to 9.1

Per request from Thom Brown

diff --git a/doc/src/sgml/mvcc.sgml b/doc/src/sgml/mvcc.sgml
index 8bc3ffbc6ad490d95f980656bc0118ae35f5e5be..37237f037f02c7551b965f6486384aab6f214624 100644 (file)
--- a/doc/src/sgml/mvcc.sgml
+++ b/doc/src/sgml/mvcc.sgml
@@ -101,7 +101,7 @@
    </para>
 
    <para>
-    The phenomena which are prohibited are various levels are:
+    The phenomena which are prohibited at various levels are:
 
     <variablelist>
      <varlistentry>
@@ -155,7 +155,7 @@
    </para>
 
     <table tocentry="1" id="mvcc-isolevel-table">
-     <title><acronym>SQL</acronym> Transaction Isolation Levels</title>
+     <title>Standard <acronym>SQL</acronym> Transaction Isolation Levels</title>
      <tgroup cols="4">
       <thead>
        <row>