Added coming soon message

Change-Id: Ibc0a4f684326219281f03e98fbe00c2fd281aa4f
diff --git a/configuration.rst b/configuration.rst
index 648c1fc..c4f0b1a 100644
--- a/configuration.rst
+++ b/configuration.rst
@@ -1,5 +1,5 @@
-Feature and Configuration
-*************************
+Configuration Guide
+*******************
 
 .. tip::
     Trellis configurations are done through ONOS **network configuration** service (sometime referred as **netcfg**), **CLI** or **REST API**.