diff --git a/doc/guide/bind10-guide.xml b/doc/guide/bind10-guide.xml
index 5738c4cc31..1647e69c9b 100644
--- a/doc/guide/bind10-guide.xml
+++ b/doc/guide/bind10-guide.xml
@@ -2164,7 +2164,7 @@ DDNS/zones[0]/update_acl[1]     {"action": "ACCEPT", "from": "::1", "key": "key.
         DDNS transaction, is automatically recorded in the underlying
         data source, and can be retrieved in the form of outbound
         IXFR.
-        This is done automaticallyl; it does not require specific
+        This is done automatically; it does not require specific
         configuration to make this possible.
       </para>
     </section>