Replace proxy protocol for pxy
diff --git a/devp2p-proxy/src/main/kotlin/org/apache/tuweni/devp2p/proxy/ProxySubprotocol.kt b/devp2p-proxy/src/main/kotlin/org/apache/tuweni/devp2p/proxy/ProxySubprotocol.kt
index 12f210e..e415558 100644
--- a/devp2p-proxy/src/main/kotlin/org/apache/tuweni/devp2p/proxy/ProxySubprotocol.kt
+++ b/devp2p-proxy/src/main/kotlin/org/apache/tuweni/devp2p/proxy/ProxySubprotocol.kt
@@ -24,7 +24,7 @@
 class ProxySubprotocol() : SubProtocol {
 
   companion object {
-    val ID = SubProtocolIdentifier.of("proxy", 1)
+    val ID = SubProtocolIdentifier.of("pxy", 1)
   }
 
   override fun id() = ID