update knacks

knacks.tex

@@ -2,9 +2,8 @@
 \label{knacks}
 \index{Knacks}
 
-\noindent
-Characters can individuate themselves by learning Knacks -- special talents for combat manoeuvres, magic, skills or other abilities.
-Most people can pick up a couple of Knacks easily but further Knacks become progressively less intuitive.
+Knacks represent some extra talent with an extremely narrow focus.
+Characters can pick up a couple of Knacks easily, but further Knacks become progressively less intuitive.
 
 \section{Combat Knacks}