diff --git a/Dynamic-URL-filtering.md b/Dynamic-URL-filtering.md
index 66b1d29..8931eb3 100644
--- a/Dynamic-URL-filtering.md
+++ b/Dynamic-URL-filtering.md
@@ -28,4 +28,4 @@ Examples of URL filtering usefulness.
 
 Un-break a web site: a real case was reported in [issue #240](https://github.com/gorhill/uBlock/issues/240). The web site required the resource `http://s7.addthis.com/js/300/addthis_widget.js` for the comment section to render properly. However, `s7.addthis.com` is blocked by uBlock's _Privacy_ filter list with an `important` filter, meaning the filter cannot be overriden by an exception filter. [URL filtering to the rescue](https://github.com/gorhill/uBlock/issues/240#issuecomment-105019619), since URL filtering override everything other kind of filtering rules.
 
-Finer-grained dynamic filtering: block all 3rd resources by default using dynamic filtering rule `* * 3p block`, but allow one very specific 3rd-party resource `example.com https://example.org/widget.js script allow`, something which would not be possible before URL filtering was available.
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+Finer-grained dynamic filtering: [need a better concrete example] block all 3rd resources by default using dynamic filtering rule `* * 3p block`, but allow one very specific 3rd-party resource `example.com https://example.org/widget.js script allow`, something which would not be possible before URL filtering was available.
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