diff --git a/doc/arm/Bv9ARM-book.xml b/doc/arm/Bv9ARM-book.xml
index 03ed8b786e..b34665c584 100644
--- a/doc/arm/Bv9ARM-book.xml
+++ b/doc/arm/Bv9ARM-book.xml
@@ -9882,7 +9882,7 @@ deny-answer-aliases { "example.net"; };
 		    The empty set of resource records is specified by
 		    CNAME whose target is the wildcard top-level
 		    domain (*.).
-		    It rewrites the response to NODATA or ANCOUNT=1.
+		    It rewrites the response to NODATA or ANCOUNT=0.
 		  </para>
 		</listitem>
 	      </varlistentry>