diff --git a/docs/zr_manual.htm b/docs/zr_manual.htm
index df07580..95218ca 100644
--- a/docs/zr_manual.htm
+++ b/docs/zr_manual.htm
@@ -5094,7 +5094,7 @@ known to trigger this bug.</p>
 
 <p>Anti-Stick might trigger this bug in some cases, but it also might depend on the map.</p>
 
-<p>More info: <a href="http://forums.alliedmods.net/showthread.php?t=106081">Engine Bug:
+<p>More info: <a href="http://forums.alliedmods.net/showthread.php?t=99819">Engine Bug:
 "Physical Mayhem" Discussion</a></p>