Fixing javadoc warnings.

Change-Id: I7b99660777bf69978bf91435a63526ccb9bf8b71
diff --git a/protocols/netconf/api/src/main/java/org/onosproject/netconf/rpc/ErrorSeverity.java b/protocols/netconf/api/src/main/java/org/onosproject/netconf/rpc/ErrorSeverity.java
index ff7a7e7..79af702 100644
--- a/protocols/netconf/api/src/main/java/org/onosproject/netconf/rpc/ErrorSeverity.java
+++ b/protocols/netconf/api/src/main/java/org/onosproject/netconf/rpc/ErrorSeverity.java
@@ -23,10 +23,10 @@
 
 
 /**
- * <p>Java class for ErrorSeverity.
+ * Java class for ErrorSeverity.
  * 
  * <p>The following schema fragment specifies the expected         content contained within this class.
- * <p>
+ * </p>
  * <pre>
  * &lt;simpleType name="ErrorSeverity"&gt;
  *   &lt;restriction base="{http://www.w3.org/2001/XMLSchema}string"&gt;