diff --git a/simian/xdocs/navigation.xml b/simian/xdocs/navigation.xml
index c66459ef..ea1660b2 100644
--- a/simian/xdocs/navigation.xml
+++ b/simian/xdocs/navigation.xml
@@ -29,6 +29,7 @@
       <item name="Installation"            href="/installation.html" />
       <item name="Goals"                   href="/goals.html" />
       <item name="Properties"              href="/properties.html" />
+      <item name="Tags"                    href="/tags.html" />
     </menu>
   </body>
 </project>
diff --git a/simian/xdocs/tags.xml b/simian/xdocs/tags.xml
new file mode 100644
index 00000000..89cf4553
--- /dev/null
+++ b/simian/xdocs/tags.xml
@@ -0,0 +1,45 @@
+<document>
+  <properties>
+    <title>Plugin tags</title>
+  </properties>
+  <body>
+    <section name='Overview'>
+      <p>The following tag libraries and tags are provided by this plugin.</p>
+      <ol>
+        <li><a href='#simian_Tag_Library'>simian</a>
+          <ol>
+            <li><a href='#simianLog_Tag'>simianLog</a></li>
+          </ol>
+        </li>
+      </ol>
+    </section>
+    <section name='simian Tag Library'>
+      <subsection name='simianLog Tag'>
+        <p>A model of a Simian log file.</p>
+        <table>
+          <tr><th>Attribute</th><th>Optional?</th><th>Description</th></tr>
+          <tr>
+            <td>jellyContext</td>
+            <td>No</td>
+            <td>Used to pass a variable back to the caller</td>
+          </tr>
+          <tr>
+            <td>logFile</td>
+            <td>No</td>
+            <td>The file used to extract errors and other messages.</td>
+          </tr>
+          <tr>
+            <td>sourceDirectory</td>
+            <td>No</td>
+            <td>The location of the project source.</td>
+          </tr>
+          <tr>
+            <td>unitTestSourceDirectory</td>
+            <td>No</td>
+            <td>The location of the project unit tests.</td>
+          </tr>
+        </table>
+      </subsection>
+    </section>
+  </body>
+</document>