knacks: sed /combat casting/combat caster/

knacks.tex

@@ -213,7 +213,7 @@ It lasts only until the end of the scene and can reactivate only once the mage h
 The Knack might also be used when a member of the party has died, or when someone the character has spent \glspl{storypoint} on has been killed.%
 \footnote{See page \pageref{stories} for \glspl{storypoint}.}
 
-\subsubsection{Combat Casting}
+\subsubsection{Combat Caster}
 
 The mage suffers only a -1 penalty rather than the usual -2 when casting a spell using only one hand.
 Alchemists unable to use their voice and hands suffer a -3 penalty rather than the usual -4.