replace target number with tie number

glossary.tex

@@ -50,9 +50,9 @@
   ]{hp}{HP}{Health Point}
 
 \newacronym[
-  description={The number players need to roll on the dice to succeed in a task},
+  description={The number players need to roll on the dice to achieve a tie with the task. Rolling higher indicates they have their prize, rolling lower means some nasty outcome is upon them, and rolling a tie means both (or neither)},
   shortplural={TNs}
-  ]{tn}{TN}{Target Number}
+  ]{tn}{TN}{Tie Number}
 
 \newacronym[
   description={The ``battery power'' of a magic user, which allows them to power spells},