diff --git a/core/api/src/main/java/org/onlab/onos/codec/CodecService.java b/core/api/src/main/java/org/onlab/onos/codec/CodecService.java
index 100a28c..5f456f8 100644
--- a/core/api/src/main/java/org/onlab/onos/codec/CodecService.java
+++ b/core/api/src/main/java/org/onlab/onos/codec/CodecService.java
@@ -43,6 +43,7 @@
      *
      * @param entityClass entity class
      * @param codec       JSON codec
+     * @param <T>         entity type
      */
     <T> void registerCodec(Class<T> entityClass, JsonCodec<T> codec);