revise talisman gls entry

glossary.tex

@@ -128,8 +128,8 @@
   first={talisman (a one-use alchemical item)},
   firstplural={talismans (one-use alchemical items)},
   sort={Talisman},
-  description={store a spells with an activation condition.
-  Some of them strike the closest appropriate target, while others have a second spell to detect a more specific target.
+  description={store spells with an activation condition.
+  Most will strike the nearest, available target, which makes them dangerous to the wrong people, in the wrong hands.
   Each spell level in a talisman requires one \glsentrytext{ingredient} aligned to the correct Sphere},
 }