Updated docs

diff --git a/README.md b/README.md
index 1a63d6b..2fd89bc 100644
--- a/README.md
+++ b/README.md

@@ -1,17 +1,23 @@
-Role Name
+Apigee OPDK Setup OS Postgres
 =========
 
-A brief description of the role goes here.
+This role performs system updates that are required for the use of PostgreSQL as a part of an Apigee platform. 
 
 Requirements
 ------------
 
-Any pre-requisites that may not be covered by Ansible itself or the role should be mentioned here. For instance, if the role uses the EC2 module, it may be a good idea to mention in this section that the boto package is required.
+This role requires elevated system privilege.
 
 Role Variables
 --------------
 
-A description of the settable variables for this role should go here, including any variables that are in defaults/main.yml, vars/main.yml, and any variables that can/should be set via parameters to the role. Any variables that are read from other roles and/or the global scope (ie. hostvars, group vars, etc.) should be mentioned here as well.
+The collection `sysctl_pg` is used to perform systctl.conf updates specific for the use of PostgreSQL as a part of the 
+Apigee platform.
+
+    sysctl_pg:
+    - { name: 'kernel.sem', value: "500 32000 32 1024" }
+    
+
 
 Dependencies
 ------------

diff --git a/defaults/main.yml b/defaults/main.yml
index c1e9c46..9976e43 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml

@@ -1,6 +1,4 @@
 ---
 # defaults file for apigee-opdk-setup-os-pg
-apigee_kernel_sem: '500 32000 32 1024'
-
 sysctl_pg:
-- { name: 'kernel.sem', value: "{{ apigee_kernel_sem }}" }
\ No newline at end of file
+- { name: 'kernel.sem', value: "500 32000 32 1024" }
\ No newline at end of file