edit casting gls entry

glossary.tex

@@ -977,9 +977,9 @@ Set the darker die to `\dicef{6}' and roll the other.  If this roll fails, it fa
   description={start by spending 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 \glsentrytext{witch} gains 1~\glsentrytext{ep} for each \glsentrytext{mp} they lack.
+  When `overspending' on the \glsentrytext{invocation}, the debt is paid in \glsentrytext{ep}.
 
-  If nobody resists a spell, the \glsentrytext{tn} usually depends on its target.
+  \Glsfmtplural{tn} depend on how malleable the target is.
   Earth spells can affect ice far more easily than rocks, and Air spells can whip up a gale easier when outdoors},
 }