robust_time_syncing.md

@@ -22,7 +22,7 @@ prevents us from making `/var/lib/tor` persistent, so Tails users have no
 long-term Tor Entry Guards. I'm not sure more reasons need to be
 stated why we must get rid of it.
 
-`tordate` was removed in Tails 4.22, replaced by a new feature: the user can set the correct clock in _Tor Connection_.
+`tordate` was removed in Tails 4.22 (tails/tails!542), replaced by a new feature: the user can set the correct clock in _Tor Connection_.
 
 The problem
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