fix tag

diff --git a/doc/arm/Bv9ARM-book.xml b/doc/arm/Bv9ARM-book.xml
index 16490079ae805801eab51548a1f2115d8138e68e..2a214deae3eae5bf737d5846dd782cb89789fa04 100644 (file)
--- a/doc/arm/Bv9ARM-book.xml
+++ b/doc/arm/Bv9ARM-book.xml
@@ -9370,7 +9370,7 @@ deny-answer-aliases { "example.net"; };
            tree is used to quickly identify response policy zones
            containing triggers that match the current query.  This
            imposes an upper limit of 32 on the number of policy zones
-           in a single <command>response-policy</option> option; more
+           in a single <command>response-policy</command> option; more
            than that is a configuration error.
          </para>