Update builtin_macros.md (#454)

Signed-off-by: Ian Hunter <ianfhunter@gmail.com>

doc/gh-pages/notation/builtin_macros.md

@@ -18,7 +18,7 @@ nav_order: 9
 >
 >**GM**: Yes... (sigh) As they fly around your head, you decide to eat one of them.
 >
->**Grindon**: Okay that's a #PLANETS die?
+>**Grindon**: Okay that's a @PLANETS die?
 >
 >*GNOLL*: [Mars]
 >
@@ -33,16 +33,16 @@ Here are a sample of the dice that can be used via Macro Accessors
 
 | Dice Type | Possible Values | Macro Accessor |
 | ----------- | -------------- | --------------- |
-| Poker Dice | 9, 10, J, K, Q, A | #POKER_DICE |
-| Chess Dice | Pawn, Knight, Bishop, Rook, Queen, and King | #CHESS_DICE |
-| Directions | NORTH, SOUTH, WEST, EAST | #DIRECTION_D4 |
-| Card Suits| CLUBS, DIAMONDS, HEARTS, SPADES | #CARD_SUIT |
-| Zodiac | Aries through Pisces | #ZODIAC |
-| Planets | Sun, Moon, all the planets from Mercury all the way to Pluto, Ascending Node, Descending Node | #PLANETS |
+| Poker Dice | 9, 10, J, K, Q, A | @POKER_DICE |
+| Chess Dice | Pawn, Knight, Bishop, Rook, Queen, and King | @CHESS_DICE |
+| Directions | NORTH, SOUTH, WEST, EAST | @DIRECTION_D4 |
+| Card Suits| CLUBS, DIAMONDS, HEARTS, SPADES | @CARD_SUIT |
+| Zodiac | Aries through Pisces | @ZODIAC |
+| Planets | Sun, Moon, all the planets from Mercury all the way to Pluto, Ascending Node, Descending Node | @PLANETS |
 
 More can be found in the `builtins/` folder [here](https://github.com/ianfhunter/GNOLL/tree/main/builtins)
 
 ## Usage
 
-To use a Macro, access it with '#' as below
-> #POKER_DICE
+To use a Macro, access it with '@' as below
+> @POKER_DICE