Clean up comments

Base data: types uniquely lacked a comment; items on one line; distinguish unknowns
Dex entries: don't imply that pointers don't exist

data/pokemon/dex_entries/noctowl.asm

@@ -1,10 +1,10 @@
-; NoctowlPokedexEntry: ; 0x1cceb9
 	db "OWL@" ; species name
 	dw 503, 900 ; height, weight
 
 	db   "Its extremely soft"
 	next "feathers make no"
 	next "sound in flight."
+
 	page "It silently sneaks"
 	next "up on prey without"
 	next "being detected.@"