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dfinity · Mar 18, 2024 · b74946e · b74946e
1 parent c2531e9
commit b74946e
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/standards/ICRC-3/README.md b/standards/ICRC-3/README.md
@@ -98,9 +98,9 @@ Each standard that adheres to `ICRC-3` MUST define the list of block schemas tha
 ```
 op = icrc_number op_name
 icrc_number = nonzero_digit *digit
-nonzero digit = "1" "2" "3" "4" "5" "6" "7" "8" "9"
-digit = "0" "1" "2" "3" "4" "5" "6" "7" "8" "9"
-op_name = a-z *(alphanumeric \ "_" \ "-")
+nonzero_digit = "1" / "2" / "3" / "4" / "5" / "6" / "7" / "8" / "9"
+digit = "0" / nonzero_digit
+op_name = a-z *(a-z / digit / "_" / "-")
 ```
 
 For instance, `1xfer` is the identifier of the ICRC-1 transfer operation.