note default weight rating for alchemical items

glossary.tex

@@ -1050,7 +1050,9 @@ Set the darker die to `\dicef{6}' and roll the other.  If this roll fails, it fa
   type={mech},
   parent={witchcraft},
   description={is the practice of turning a raw magical \glsentrytext{ingredient} into something useful.
-  It requires no \glsentrytext{sphere} \glsentrytext{skill} to use -- just a recipe},
+  It requires no \glsentrytext{sphere} \glsentrytext{skill} to use -- just a recipe.
+
+  Alchemical items have a default \glsentrytext{weight} of 1},
 }
 
 \longnewglossaryentry{sphere}{