rephrase passing attacks

combat.tex

@@ -616,7 +616,9 @@ Deep darkness can provide a maximum penalty of -6, while twilight is limited to
 
 \subsubsection{Passing Attacks}\index{Combat!Passing Attacks}
 
-When someone is attempting to run past others, they have some opportunity to hit when the character is passing. This can be any normal attack, but counts as a Quick Action, jumping ahead in the Initiative Score. The attack costs the normal amount of Initiative.
+If you try to run past an opponent during combat, they may make an attack against you as a Quick Action.
+
+This might happen when someone is surrounded, but wants to run away.
 
 \subsubsection{Spell Casting in Combat}\index{Combat!Spell Casting}