diff --git a/java_gen/pre-written/src/main/java/org/projectfloodlight/openflow/types/IPv6Address.java b/java_gen/pre-written/src/main/java/org/projectfloodlight/openflow/types/IPv6Address.java
index a402908..63a0087 100644
--- a/java_gen/pre-written/src/main/java/org/projectfloodlight/openflow/types/IPv6Address.java
+++ b/java_gen/pre-written/src/main/java/org/projectfloodlight/openflow/types/IPv6Address.java
@@ -116,7 +116,7 @@
     }
 
     /**
-     * IPv4 multicast addresses are defined by the prefix ff00::/8 
+     * IPv6 multicast addresses are defined by the prefix ff00::/8 
      */
     @Override
     public boolean isMulticast() {