added description to README

Jamie Nelson · Jamie Nelson · commit 3d38742b19fb · 2018-06-20T16:31:40.000+01:00
diff --git a/README.md b/README.md
@@ -1,4 +1,8 @@
 
+# terraform-aws-parameter-store-policy
+This module generates JSON documents for restricted permission sets for AWS SSM Parameter Store access.
+Helpful when combined with [terraform-aws-ssm-parameter-store](https://github.com/cloudposse/terraform-aws-ssm-parameter-store) 
+
 ## Variables
 
 | Name 								| Description 																																																														| Required 	|
