diff --git a/Dynamic-filtering:-quick-guide.md b/Dynamic-filtering:-quick-guide.md
index 47e5d18..5b27ef1 100644
--- a/Dynamic-filtering:-quick-guide.md
+++ b/Dynamic-filtering:-quick-guide.md
@@ -90,4 +90,12 @@ It is just a matter of creating a global _noop_ rule for `youtube.com`:
 
 Which means: do not apply any dynamically filtering rule to `youtube.com` by default (i.e. everywhere).
 
-Remember: any global rule can be overridden by a local one.
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+***
+
+#### Important
+
+Local dynamic filtering rules override global ones.
+
+More specific dynamic filtering rules override less specific ones. For example, dynamic filtering rules for `youtube.com` override dynamic filtering rules for `3rd-party frames`.
+
+***
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