Update Javadoc at Default Pipeline Arista&Juniper

Change-Id: I9fd73ad356312a760eab733d04ab38e36a054078
diff --git a/drivers/default/src/main/java/org/onosproject/driver/pipeline/AristaPipeliner.java b/drivers/default/src/main/java/org/onosproject/driver/pipeline/AristaPipeliner.java
index 8b1a508..a1d67c9 100644
--- a/drivers/default/src/main/java/org/onosproject/driver/pipeline/AristaPipeliner.java
+++ b/drivers/default/src/main/java/org/onosproject/driver/pipeline/AristaPipeliner.java
@@ -31,7 +31,7 @@
 import static org.slf4j.LoggerFactory.getLogger;
 
 /**
- * Simple single table pipeline abstraction.
+ * Arista OpenFlow Switch single table pipeline abstraction.
  */
 public class AristaPipeliner extends DefaultSingleTablePipeline {