diff --git a/apps/pcep-api/src/main/java/org/onosproject/pcep/api/PcepSwitch.java b/apps/pcep-api/src/main/java/org/onosproject/pcep/api/PcepSwitch.java
index 8144209..19aeff7 100644
--- a/apps/pcep-api/src/main/java/org/onosproject/pcep/api/PcepSwitch.java
+++ b/apps/pcep-api/src/main/java/org/onosproject/pcep/api/PcepSwitch.java
@@ -30,7 +30,7 @@
         /* router */
         ROUTER,
 
-        /* unkown type */
+        /* unknown type */
         UNKNOW,
     }