diff --git a/doc/src/sgml/config.sgml b/doc/src/sgml/config.sgml
index 68098ed5d5..a259206929 100644
--- a/doc/src/sgml/config.sgml
+++ b/doc/src/sgml/config.sgml
@@ -6386,7 +6386,7 @@ COPY postgres_log FROM '/full/path/to/logfile.csv' WITH csv;
        <secondary>setting default</secondary>
       </indexterm>
       <indexterm>
-       <primary><varname>default_transaction_rollback_scope</> configuration parameter</primary>
+       <primary><varname>default_transaction_rollback_scope</varname> configuration parameter</primary>
       </indexterm>
       </term>
       <listitem>
diff --git a/doc/src/sgml/ref/set_transaction.sgml b/doc/src/sgml/ref/set_transaction.sgml
index e32914525a..af841bc055 100644
--- a/doc/src/sgml/ref/set_transaction.sgml
+++ b/doc/src/sgml/ref/set_transaction.sgml
@@ -129,9 +129,7 @@ SET SESSION CHARACTERISTICS AS TRANSACTION <replaceable class="parameter">transa
    isolation and concurrency control.
   </para>
 
-tunatuna
   <para>
-   The isolation level of a transaction determines what data the
    The rollback scope of a transaction determines which range of
    operations to roll back when an SQL statement fails:
 
@@ -140,7 +138,6 @@ tunatuna
      <term><literal>TRANSACTION</literal></term>
      <listitem>
       <para>
-       A statement can only see rows committed before it began. This
        Rolls back the entire transaction or current subtransaction.
        This is the default.
       </para>
@@ -151,7 +148,6 @@ tunatuna
      <term><literal>STATEMENT</literal></term>
      <listitem>
       <para>
-       All statements of the current transaction can only see rows committed
        Rolls back the failed SQL statement.
       </para>
      </listitem>