diff --git a/ethereumj-core/src/main/java/org/ethereum/net/p2p/P2pMessageCodes.java b/ethereumj-core/src/main/java/org/ethereum/net/p2p/P2pMessageCodes.java
index 9b4e8b2d..cfc5532b 100644
--- a/ethereumj-core/src/main/java/org/ethereum/net/p2p/P2pMessageCodes.java
+++ b/ethereumj-core/src/main/java/org/ethereum/net/p2p/P2pMessageCodes.java
@@ -8,7 +8,7 @@ import java.util.Map;
  * <br>
  * The codes for these commands are the first byte in every packet.
  * ÐΞV
- * @see <a href="https://github.com/ethereum/wiki/wiki/ÐΞVp2p-Wire-Protocol">
+ * @see <a href="https://github.com/ethereum/wiki/wiki/%C3%90%CE%9EVp2p-Wire-Protocol">
  * https://github.com/ethereum/wiki/wiki/ÐΞVp2p-Wire-Protocol</a>
  */
 public enum P2pMessageCodes {