Cleaning up application categories.

Change-Id: Id3c937323123b6089cedf7b31cd01151f6aca8e1
diff --git a/apps/pim/BUCK b/apps/pim/BUCK
index 2d36352..3eab5a8 100644
--- a/apps/pim/BUCK
+++ b/apps/pim/BUCK
@@ -21,7 +21,7 @@
 
 onos_app (
     title = 'Protocol Independent Multicast Emulation',
-    category = 'Traffic Steering',
+    category = 'Traffic Engineering',
     url = 'http://onosproject.org',
     description = 'Protocol independent multicast emulation.',
     included_bundles = BUNDLES,