Update README

Signed-off-by: Lou DeGenaro <lou.degenaro@gmail.com>

Author: degenaro

.gitignore

@@ -130,3 +130,4 @@ dmypy.json
 
 .DS_Store
 compliance-trestle/
+/.project

README.md

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 # End-to-End Demo: Compliance as Code CIS Benchmarks Catalog (snippet)
-End-to-End Demo: Compliance as Code CIS Benchmarks Catalog (snippet)
+End-to-End Demo: Compliance as Code CIS Benchmarks Catalog (snippet)
+
+This repo comprises OSCAL catalog for the end-to-end demo. The OSCAL catalog is for CIS Benchmarks, but for proprietary reasons only a portion (snippet) of the entire catalog is used for this demo.
+
+The full catalog can be obtained from [CIS Controls OSCAL Repository](https://www.cisecurity.org/insights/blog/introducing-the-cis-controls-oscal-repository).
+
+The [demo overview](https://github.com/oscal-compass/e2e-demo).