Fix javadoc error.

Change-Id: I98ed05ec5467894345e4f0b07b4d4b46ab55d8f5
diff --git a/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/CopycatTransport.java b/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/CopycatTransport.java
index 4c69605..2634288 100644
--- a/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/CopycatTransport.java
+++ b/core/store/primitives/src/main/java/org/onosproject/store/primitives/impl/CopycatTransport.java
@@ -37,12 +37,12 @@
      */
     public enum Mode {
         /**
-         * Signifies transport for client -> server interaction.
+         * Signifies transport for client {@literal ->} server interaction.
          */
         CLIENT,
 
         /**
-         * Signified transport for server -> server interaction.
+         * Signified transport for server {@literal ->} server interaction.
          */
         SERVER
     }