Cleaning up application categories.

Change-Id: Id3c937323123b6089cedf7b31cd01151f6aca8e1
diff --git a/apps/pi-demo/ecmp/BUCK b/apps/pi-demo/ecmp/BUCK
index a584b5d..71dcc31 100644
--- a/apps/pi-demo/ecmp/BUCK
+++ b/apps/pi-demo/ecmp/BUCK
@@ -17,7 +17,7 @@
 onos_app (
     app_name = 'org.onosproject.pi-ecmp',
     title = 'PI Demo ECMP Fabric',
-    category = 'Traffic Steering',
+    category = 'Traffic Engineering',
     url = 'http://onosproject.org',
     description = 'Provides ECMP support for a 2-stage clos fabric topology of PI-enabled devices',
     included_bundles = BUNDLES,