diff --git a/tables.asm b/tables.asm
index 365ccbe..abf4051 100644
--- a/tables.asm
+++ b/tables.asm
@@ -1440,6 +1440,11 @@ dw #9999 ; Rupee Limit
 ; $7F5100 - $7F51FF - Block Cypher Buffer
 ; $7F5200 - $7F52FF - RNG Pointer Block
 
+; $7F5300 - $7F53FF - Multiworld Block
+;	$00 - $0F - RX Buffer
+;	$10 - $1F - TX Buffer
+;	$20 - $FF - Reserved
+
 ; $7F5700 - $7F57FF - Dialog Buffer
 ;
 ; $7F6000 - $7F6FFF - Free RAM (Reclaimed from Damage Table)