Cleaning up application categories.

Change-Id: Id3c937323123b6089cedf7b31cd01151f6aca8e1
diff --git a/apps/l3vpn/BUCK b/apps/l3vpn/BUCK
index a7da678..d663a65 100644
--- a/apps/l3vpn/BUCK
+++ b/apps/l3vpn/BUCK
@@ -38,7 +38,7 @@
 onos_app(
     app_name = 'org.onosproject.l3vpn',
     title = 'YANG L3VPN',
-    category = 'Traffic Steering',
+    category = 'Traffic Engineering',
     url = 'http://onosproject.org',
     description = 'L3VPN YANG Application',
     required_apps = APPS,