Updated FAQ

FAQ.md

@@ -2769,8 +2769,8 @@ The following extra variables are available:
 
 The following extra operators are available:
 
-* *contains* (contains substring)
-* *matches* (matches regex)
+* *contains* (string/array of strings contains substring)
+* *matches* (string/array of strings matches regex)
 
 The following extra functions are available:
 

index.html

@@ -1510,8 +1510,8 @@ X-Google-Original-From: Somebody &lt;somebody+extra@example.org&gt;</code></pre>
 </ul>
 <p>The following extra operators are available:</p>
 <ul>
-<li><em>contains</em> (contains substring)</li>
-<li><em>matches</em> (matches regex)</li>
+<li><em>contains</em> (string/array of strings contains substring)</li>
+<li><em>matches</em> (string/array of strings matches regex)</li>
 </ul>
 <p>The following extra functions are available:</p>
 <ul>