diff --git a/About-the-required-permissions.md b/About-the-required-permissions.md
index dd8212f..4e8859b 100644
--- a/About-the-required-permissions.md
+++ b/About-the-required-permissions.md
@@ -90,7 +90,7 @@ See code:
 
 - [chrome.privacy.network](https://github.com/gorhill/uBlock/commit/e65c2939757f09db646d277b82da8690aaf3adbc)
 
-<sub>[1] Merely opening a TCP connection leaks your IP address to the remote server -- this is incompatible with an extension which primary purpose is to **completely** prevent connections to remove server, not just merely prevent the transfer of data.</sub>
+<sub>[1] Merely opening a TCP connection leaks your IP address to the remote server -- this is incompatible with an extension which primary purpose is to **completely** prevent connections to remove server, not just merely prevent the transfer of data. For instance, [see what can be found](https://www.browserleaks.com/whois) with a just that connection being established (IP, OS Fingerprinting, IP Address Location).</sub>
 
 <sub>[2] In version 0.9.8.3, there will be [a setting to allow re-enabling prefetching](https://github.com/gorhill/uBlock/issues/274), default will still be  to disable it though.
 </sub>
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