Add comma

diff --git a/doc/arm/notes.xml b/doc/arm/notes.xml
index d0a6c3127068b0151a8bdc3827048c8f9484e7f2..559a0e60939e68f06114e408f72a5bf9ab2b6fbb 100644 (file)
--- a/doc/arm/notes.xml
+++ b/doc/arm/notes.xml
@@ -40,7 +40,7 @@
     <itemizedlist>
       <listitem>
        <para>
-         On servers configured to perform DNSSEC validation an
+         On servers configured to perform DNSSEC validation, an
          assertion failure could be triggered on answers from
          a specially configured server.
        </para>