diff --git a/Dynamic-filtering:-rule-syntax.md b/Dynamic-filtering:-rule-syntax.md
index e39d15e..3304ee6 100644
--- a/Dynamic-filtering:-rule-syntax.md
+++ b/Dynamic-filtering:-rule-syntax.md
@@ -19,6 +19,12 @@ Source hostname always corresponds to the hostname extracted from the URL of the
 
 The destination hostname corresponds to the hostname extracted from the URL of a remote resource which the web page is fetching (or trying to).
 
+> ***
+> **Tip:**
+>
+> In specific cases [URL filtering](./Dynamic-URL-filtering) will allow for greater accuracy when controlling destination URL.
+> ***
+
 A rule always automatically propagates to all subdomains of the source hostname and all subdomains of the destination hostname -- unless the rule is overridden by a narrower rule in one of the subdomains.
 
 Given that rules always propagate to subdomains, there is no need to prefix the hostname part with a wildcard `*.`, doing so is invalid and will cause the the rule to be discarded.