diff --git a/README.md b/README.md
index b68aa25..079fbee 100644
--- a/README.md
+++ b/README.md
@@ -210,7 +210,7 @@ nexttrace --dev eth0 2606:4700:4700::1111
 nexttrace --source 204.98.134.56 9.9.9.9
 ```
 
-`NextTrace` can also use `TCP` and `UDP` protocols to perform `Traceroute` requests, but `UDP` protocols only supports `IPv4` now
+`NextTrace` can also use `TCP` and `UDP` protocols to perform `Traceroute` requests
 
 ```bash
 # TCP SYN Trace
diff --git a/README_zh_CN.md b/README_zh_CN.md
index 76430bc..8aa5d00 100644
--- a/README_zh_CN.md
+++ b/README_zh_CN.md
@@ -220,7 +220,7 @@ nexttrace --dev eth0 2606:4700:4700::1111
 nexttrace --source 204.98.134.56 9.9.9.9
 ```
 
-`NextTrace` 也可以使用`TCP`和`UDP`协议发起`Traceroute`请求，不过目前`UDP`只支持`IPv4`
+`NextTrace` 也可以使用`TCP`和`UDP`协议发起`Traceroute`请求
 
 ```bash
 # TCP SYN Trace