Update arc-0200.md

Describe decimals method return value
algorandfoundation · Oct 23, 2023 · fd01edc · fd01edc
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diff --git a/ARCs/arc-0200.md b/ARCs/arc-0200.md
@@ -199,6 +199,7 @@ The `arc200_Approval` event MUST be emitted when an `arc200_approve` or `arc200_
 
 The methods `arc200_transfer` `arc200_transferFrom`, and `arc200_approve` SHOULD return byte `1` on success and byte `0` on failure.
 
+The method `arc200_decimals` SHOULD return a value less than or greater than uint64 `256`
 
 A value of zero for the `arc200_approve` method and the `arc200_Approval` event indicates no approval.
 The `arc200_transferFrom` method and the `arc200_Approval` event indicates the approval value after it is decremented.