fix missing space (noticed in April, bug 39228) and fix grammar

diff --git a/doc/arm/Bv9ARM-book.xml b/doc/arm/Bv9ARM-book.xml
index edbda473d5bcf51ed7ab2db2e79f9a0bc21239be..dd88434e2fb022f35bf48d87c37ae5ba9a08718f 100644 (file)
--- a/doc/arm/Bv9ARM-book.xml
+++ b/doc/arm/Bv9ARM-book.xml
@@ -5902,9 +5902,9 @@ options {
                This is useful in DNSSEC-signed zones because when
                rolling to a new DNSKEY, the old key needs to remain
                available until RRSIG records have expired from
-               caches.  The<option>max-zone-ttl</option> option guarantees
+               caches.  The <option>max-zone-ttl</option> option guarantees
                that the largest TTL in the zone will be no higher
-               the set value.
+               than the set value.
              </para>
              <para>
                (NOTE: Because <constant>map</constant>-format files