tighten witchcraft glos entries

glossary.tex

@@ -998,8 +998,8 @@ Set the darker die to `\dicef{6}' and roll the other.  If this roll fails, it fa
   prefix={a\space},
   type={mech},
   parent={witchcraft},
-  description={simply means anyone who can natural speak to an elemental \glsentrytext{sphere} using their inner \glsentrytext{mp} store.
-  These people have no special uniform, and often hide their talents},
+  description={simply means anyone who can speak to the \glsfmtplural{sphere} using their inner store of mana.
+  These people have no special uniform, and hide their talents easily},
 }
 
 \newacronym[
@@ -1081,7 +1081,7 @@ Set the darker die to `\dicef{6}' and roll the other.  If this roll fails, it fa
   parent={witch},
   type={mech},
   category={rules},
-  description={start by spending one \glsentrytext{mp} per spell level.
+  description={demand one \glsentrytext{mp} per spell level.
   The \glsentrytext{witch} then commands the target \glsentrytext{sphere}, rolling \roll{Charisma}{} the lowest \glsentrytext{skill} required.
 
   When `overspending' on the \glsentrytext{invocation}, the debt is paid in \glsentrytext{ep}.