diff --git a/FAQ.md b/FAQ.md
index de731bb6d3..bf63ef73e7 100644
--- a/FAQ.md
+++ b/FAQ.md
@@ -2757,19 +2757,23 @@ The following extra variables are available:
 
 * from (array)
 * to (array)
-* subject (array)
-* text (array)
-* hasAttachments (boolean)
+* subject
+* text
+* hasAttachments
 
 The following extra operators are available:
 
-* (array) contains
-* (array) matches (=regex)
+* contains
+* matches (=regex)
 
 The following extra functions are available:
 
 * header(name)
 
+Example condition:
+
+```header("X-Mailer") contains "Open-Xchange" && from matches ".*service@.*" && !hasAttachments```
+
 <br>
 
 **Actions**
diff --git a/index.html b/index.html
index 0b9de9efc9..289a6fdf52 100644
--- a/index.html
+++ b/index.html
@@ -1501,19 +1501,21 @@ X-Google-Original-From: Somebody &lt;somebody+extra@example.org&gt;</code></pre>
 <ul>
 <li>from (array)</li>
 <li>to (array)</li>
-<li>subject (array)</li>
-<li>text (array)</li>
-<li>hasAttachments (boolean)</li>
+<li>subject</li>
+<li>text</li>
+<li>hasAttachments</li>
 </ul>
 <p>The following extra operators are available:</p>
 <ul>
-<li>(array) contains</li>
-<li>(array) matches (=regex)</li>
+<li>contains</li>
+<li>matches (=regex)</li>
 </ul>
 <p>The following extra functions are available:</p>
 <ul>
 <li>header(name)</li>
 </ul>
+<p>Example condition:</p>
+<p><code>header("X-Mailer") contains "Open-Xchange" &amp;&amp; from matches ".*service@.*" &amp;&amp; !hasAttachments</code></p>
 <p><br></p>
 <p><strong>Actions</strong></p>
 <p>You can select one of these actions to apply to matching messages:</p>