arm: Add a sentence about overlaping selectors in sortlist statement

(cherry picked from commit ebc61946b2d8f0c407eb64134768aba4669962ff)

diff --git a/doc/arm/Bv9ARM-book.xml b/doc/arm/Bv9ARM-book.xml
index 71f12fcef3dc8604a0b7572a8da6e040e88592e1..9c9d29f30a3c76df701156ea0d47e8bada7b7cab 100644 (file)
--- a/doc/arm/Bv9ARM-book.xml
+++ b/doc/arm/Bv9ARM-book.xml
@@ -8543,7 +8543,8 @@ avoid-v6-udp-ports { 40000; range 50000 60000; };
            The first element (which may be an IP address, an IP prefix, an
            ACL name or a nested <command>address_match_list</command>) of
            each top level list is checked against the source address of
-           the query until a match is found.
+           the query until a match is found. When the addresses in the
+           first element overlap, the first rule to match gets selected.
          </para>
          <para>
            Once the source address of the query has been matched, if the