Updated README.md file

README.md

diff --git a/README.md b/README.md
index 3d48358..c8500f0 100644
--- a/README.md
+++ b/README.md
@@ -6,9 +6,11 @@
 Requirements
 ------------
 
-The installation of Apigee OPDK requires root access. Credentials must also be supplied to override the empty placeholders
-provided here. It is recommended that credentials be consolidated into a single credentials.yml file that can be stored 
-separately. It is assumed that files containing credentials are stored in the ~/.apigee folder. 
+This role requires elevated privilege. 
+
+The following packages must be installed by the system package manager: 
+
+* python-selinux
 
 Role Variables
 --------------
@@ -25,7 +27,7 @@
 
     - hosts: servers
       roles:
-         - { role: username.rolename, x: 42 }
+         - { role: apigee-opdk-setup-selinux-disable }
 
 License
 -------