fix docbook tag mistake

Fix my mistake in my new branch that I just introduced.

diff --git a/doc/arm/Bv9ARM-book.xml b/doc/arm/Bv9ARM-book.xml
index e4d61edbb91e4465173009862cc1fc8928eda122..dfee50f14498bb1d9eed2133a5233968034109ed 100644 (file)
--- a/doc/arm/Bv9ARM-book.xml
+++ b/doc/arm/Bv9ARM-book.xml
@@ -6518,7 +6518,7 @@ options {
            <varlistentry>
              <term><command>nocookie-udp-size</command></term>
              <listitem>
-               </para>
+               <para>
                  Sets the maximum size of UDP responses that will be
                  sent to queries without a valid server COOKIE. A value
                  below 128 will be silently raised to 128. The default