diff --git a/apps/pcep-api/src/main/java/org/onosproject/pcep/api/PcepLinkListener.java b/apps/pcep-api/src/main/java/org/onosproject/pcep/api/PcepLinkListener.java
index 608ef1b..71e5672 100644
--- a/apps/pcep-api/src/main/java/org/onosproject/pcep/api/PcepLinkListener.java
+++ b/apps/pcep-api/src/main/java/org/onosproject/pcep/api/PcepLinkListener.java
@@ -26,5 +26,5 @@
      *
      * @param link pcep link
      */
-    void handlePCEPlink(PcepLink link);
+    void handlePceplink(PcepLink link);
 }
diff --git a/apps/pcep-api/src/main/java/org/onosproject/pcep/api/PcepTunnel.java b/apps/pcep-api/src/main/java/org/onosproject/pcep/api/PcepTunnel.java
index 6b0a7e6..03a6a95 100644
--- a/apps/pcep-api/src/main/java/org/onosproject/pcep/api/PcepTunnel.java
+++ b/apps/pcep-api/src/main/java/org/onosproject/pcep/api/PcepTunnel.java
@@ -69,7 +69,7 @@
         DIAMOND
     }
 
-    enum PATHTYPE {
+    enum PathType {
 
         /**
          * Indicates path is the preferred path.
@@ -179,7 +179,7 @@
      *
      * @return the type of a path, the preferred or alternate.
      */
-    PATHTYPE getPathType();
+    PathType getPathType();
 
     /**
      * Get the under lay tunnel id of VLAN tunnel.
diff --git a/apps/pcep-api/src/main/java/org/onosproject/pcep/api/PcepTunnelListener.java b/apps/pcep-api/src/main/java/org/onosproject/pcep/api/PcepTunnelListener.java
index 8b64b92..802257e 100644
--- a/apps/pcep-api/src/main/java/org/onosproject/pcep/api/PcepTunnelListener.java
+++ b/apps/pcep-api/src/main/java/org/onosproject/pcep/api/PcepTunnelListener.java
@@ -26,7 +26,7 @@
      *
      * @param tunnel a pceptunnel.
      */
-    void handlePCEPTunnel(PcepTunnel tunnel);
+    void handlePcepTunnel(PcepTunnel tunnel);
 
     /**
      * Notify that get a tunnel statistic data from the network.