Cleaning up application titles, descriptions and categories.

Change-Id: I80f9770697cbf29b6bde2b20778c341b0f403d9f
diff --git a/apps/drivermatrix/BUCK b/apps/drivermatrix/BUCK
index 0151d40..a198cdc 100644
--- a/apps/drivermatrix/BUCK
+++ b/apps/drivermatrix/BUCK
@@ -14,6 +14,7 @@
     title = 'Driver Support Matrix',
     category = 'Utility',
     url = 'http://onosproject.org',
-    description = 'Driver behaviour support matrix.',
+    description = 'Extends the ONOS GUI with a view that allows the operator to visualize ' +
+        'the currently loaded drivers.',
 )