Here's a patch:
diff --git a/doc/src/sgml/backup.sgml b/doc/src/sgml/backup.sgml
index 6750db8..1276c39 100644
*** a/doc/src/sgml/backup.sgml
--- b/doc/src/sgml/backup.sgml
*************** if (!triggered)
*** 2018,2024 **** <itemizedlist> <listitem> <para>
! Data Definition Language (DML) - INSERT, UPDATE, DELETE, COPY
FROM, TRUNCATE. Note that there are no allowed actions that result in a trigger being executed during
recovery. </para>
--- 2018,2024 ---- <itemizedlist> <listitem> <para>
! Data Manipulation Language (DML) - INSERT, UPDATE, DELETE,
COPY FROM, TRUNCATE. Note that there are no allowed actions that result in a trigger being executed
duringrecovery. </para>
*************** if (!triggered)
*** 2164,2170 **** <listitem> <para> Dropping tablespaces on the primary while standby queries
areusing
! those tablespace for temporary work files (work_mem overflow) </para> </listitem>
<listitem>
--- 2164,2170 ---- <listitem> <para> Dropping tablespaces on the primary while standby queries
areusing
! those tablespaces for temporary work files (work_mem overflow) </para> </listitem>
<listitem>
