fix quick spell knack

knacks.tex

@@ -242,7 +242,7 @@ All ritual spells cast with this focus grant a bonus to the caster's Intelligenc
 }
 Standard spell casting can be completed in one round less than usual.
 \iftoggle{verbose}{%
-	So a second level spell can be cast in 1 round.
+	So a third level spell can be cast in 1 round.
 }{}%
 First level spells still require a full round to cast.