docs: Update binary-data.md (#8635)

Binary notation ("0b") is appropriate instead of hexadecimal notation ("0x").

Sorry for the omission of the correction in this [PR](#8619).

docs/api/binary-data.md

@@ -65,7 +65,7 @@ Below we create a new `DataView` and set the first byte to 5.
 
 ```ts
 const buf = new ArrayBuffer(4);
-// [0x0, 0x0, 0x0, 0x0]
+// [0b00000000, 0b00000000, 0b00000000, 0b00000000]
 
 const dv = new DataView(buf);
 dv.setUint8(0, 3); // write value 3 at byte offset 0