Warnings in onos-build-docs corrected

Change-Id: Ib93062abd1977c801d3f38cff26d1ee6bfde58d4
diff --git a/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepFactoryVer1.java b/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepFactoryVer1.java
index bc52f3e..6b5d450 100644
--- a/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepFactoryVer1.java
+++ b/pcep/pcepio/src/main/java/org/onosproject/pcepio/protocol/ver1/PcepFactoryVer1.java
@@ -52,6 +52,9 @@
 import org.onosproject.pcepio.protocol.PcepUpdateRequest;
 import org.onosproject.pcepio.protocol.PcepVersion;
 
+/**
+ * Provides PCEP Factory and returns builder classes for all objects and messages.
+ */
 public class PcepFactoryVer1 implements PcepFactory {
 
     public static final PcepFactoryVer1 INSTANCE = new PcepFactoryVer1();