diff --git a/doc/arm/Bv9ARM.ch06.html b/doc/arm/Bv9ARM.ch06.html
index 4f7a48d3f1..b124043fb2 100644
--- a/doc/arm/Bv9ARM.ch06.html
+++ b/doc/arm/Bv9ARM.ch06.html
@@ -1161,8 +1161,8 @@ geoip org "Internet Systems Consortium";
 <div class="titlepage"><div><div><h3 class="title">
 <a name="id2574789"></a><span><strong class="command">key</strong></span> Statement Grammar</h3></div></div></div>
 <pre class="programlisting"><span><strong class="command">key</strong></span> <em class="replaceable"><code>key_id</code></em> {
-    algorithm <em class="replaceable"><code>string</code></em>;
-    secret <em class="replaceable"><code>string</code></em>;
+    algorithm <em class="replaceable"><code>algorithm_id</code></em>;
+    secret <em class="replaceable"><code>secret_string</code></em>;
 };
 </pre>
 </div>