Display Name docs

README.md

diff --git a/README.md b/README.md
index bfd1612..6bccfad 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,7 @@
 | apigeesync_proxy_server_base | string. url. required.   |
 | apigeesync_consumer_key      | string. required.        |
 | apigeesync_consumer_secret   | string. required.        |
+| apigeesync_instance_name     | string. optional. Display Name for UI        |
 
 This plugin also populates a configuration item for dependant plugins that may need it: