Minor text changes

Add some missing words to dictionary
Add missing port number
Fix some capitalization

Change-Id: Ibcfbfb2d811deb027ba115198c25c69a5b65a515
diff --git a/testing/control-plane-testing.rst b/testing/control-plane-testing.rst
index 4e6a8ac..9064775 100644
--- a/testing/control-plane-testing.rst
+++ b/testing/control-plane-testing.rst
@@ -93,7 +93,7 @@
 Tests Steps
 -----------
 - Configure and install ONOS
-- Start mininet and check flow state
+- Start Mininet and check flow state
 - Test connectivity
 
   - pingall