diff --git a/doc/src/sgml/release-9.1.sgml b/doc/src/sgml/release-9.1.sgml
new file mode 100644
index d70c806..7737381
*** a/doc/src/sgml/release-9.1.sgml
--- b/doc/src/sgml/release-9.1.sgml
***************
*** 62,68 ****
         standard;  <link
         linkend="guc-escape-string-warning"><varname>escape_string_warning</></link>
         has produced warnings about this usage for years.  <literal>E''</>
!        strings are the proper way to embed escapes in strings and are
         unaffected by this change.
        </para>
       </listitem>
--- 62,68 ----
         standard;  <link
         linkend="guc-escape-string-warning"><varname>escape_string_warning</></link>
         has produced warnings about this usage for years.  <literal>E''</>
!        strings are the proper way to embed backslash escapes in strings and are
         unaffected by this change.
        </para>
       </listitem>