Cleaning up application categories.

Change-Id: Id3c937323123b6089cedf7b31cd01151f6aca8e1
diff --git a/apps/packet-stats/BUCK b/apps/packet-stats/BUCK
index e3cf58e..e7c77b1 100644
--- a/apps/packet-stats/BUCK
+++ b/apps/packet-stats/BUCK
@@ -15,7 +15,7 @@
 
 onos_app (
     title = 'Packet Statistics',
-    category = 'Traffic Steering',
+    category = 'Traffic Engineering',
     url = 'http://onosproject.org',
     description = 'Application to calculate the number of packets of different types',
 )