diff --git a/opsec/index.html b/opsec/index.html
index eedf745..6fe9c2d 100644
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+++ b/opsec/index.html
@@ -138,7 +138,7 @@
 
 <p>⚠️ Miscellaneous - In real life</p>
 <ol>
-				<li><a href="index.html">❌ Hide the contents of a mail package</a></li>
+				<li><a href="https://git.nowhere.moe/nihilist/blog-contributions/issues/139">❌ How to hide the contents of a mail package</a></li>
 </ol></br>
 
         </div></br></br>