diff --git a/README.md b/README.md
index afac6b7..e1dc52f 100644
--- a/README.md
+++ b/README.md
@@ -20,7 +20,7 @@ Decodes Uniswap Universal execute function in accordance with [the Uniswap tehch
 
 | command | value | Decode | Tested
 | ---------- | ------------- |:------:|:------:
-| 0x   | [Use hasUniswapCommands function for avoiding Exception](https://github.com/HiroyukiNaito/uniswap-universal-decoder/blob/main/example.js#L26) | ✅ |  ✅
+| 0x(void)   | [Use hasUniswapCommands function for avoiding Exception](https://github.com/HiroyukiNaito/uniswap-universal-decoder/blob/main/example.js#L26) | ✅ |  ✅
 | 0x00 | V3_SWAP_EXACT_IN | ✅ |  ✅
 | 0x01 | V3_SWAP_EXACT_OUT | ✅ |  ✅
 | 0x02 | PERMIT2_TRANSFER_FROM | ✅ |