[master] add servfail-ttl to options grammar

diff --git a/doc/arm/Bv9ARM-book.xml b/doc/arm/Bv9ARM-book.xml
index 1feaa130b502e57c84bfbc2257b352c78d62375c..170cb6d430d4489936a833b0b870e61e718a9f4c 100644 (file)
--- a/doc/arm/Bv9ARM-book.xml
+++ b/doc/arm/Bv9ARM-book.xml
@@ -4871,6 +4871,7 @@ badresp:1,adberr:0,findfail:0,valfail:0]
     <optional> max-ncache-ttl <replaceable>number</replaceable>; </optional>
     <optional> max-cache-ttl <replaceable>number</replaceable>; </optional>
     <optional> max-zone-ttl <replaceable>number</replaceable> ; </optional>
+    <optional> servfail-ttl <replaceable>number</replaceable>; </optional>
     <optional> sig-validity-interval <replaceable>number</replaceable> <optional><replaceable>number</replaceable></optional> ; </optional>
     <optional> sig-signing-nodes <replaceable>number</replaceable> ; </optional>
     <optional> sig-signing-signatures <replaceable>number</replaceable> ; </optional>