Minor grammar fix.

src/catalua_bindings_magic.cpp

@@ -147,7 +147,7 @@ void cata::detail::reg_spell_fake( sol::state &lua )
             }
         );
 
-        DOC( "Static function: Creates and immediately casts a SimpleSpell, then returns the new spell for potential reuse. If the given tripoint is the player's location, the spell will be locked to the player (this does not necessarily mean friendly fire). If an integer is specified, the spell will be cast at that level." );
+        DOC( "Static function: Creates and immediately casts a SimpleSpell, then returns the new spell for potential reuse. If the given tripoint is the player's location, the spell will be locked to the player. (This does not necessarily cause friendly fire!) If an integer is specified, the spell will be cast at that level." );
         luna::set_fx( ut, "prompt_cast",
             []( spell_id spid,
                 tripoint & target,