README.md in cqm-parsers-2.0.0 vs README.md in cqm-parsers-2.0.1

- old
+ new
@@ -40,12 +40,25 @@
 
 bundle exec rake test
 
 ```
 
+
 ## Versioning
 
-We use [SemVer](http://semver.org/) for versioning. For the versions available, see [tags on this repository](https://github.com/projecttacoma/cqm-parsers/tags). 
+Starting with version **2.0.0** released on 6/20/19, cqm-parsers versioning has the format **X.Y.Z**, where:
+
+* **X** maps to a version of the CQL-based HQMF IG. See the table below to see the existing mapping to CQL-based HQMF IG versions.
+
+  | X | CQL-based HQMF IG|
+  | --- | --- |
+  | 2 | R1 STU3 |
+
+* **Y** indicates major changes (incompatible API changes)
+
+* **Z** indicates minor changes (added functionality in a backwards-compatible manner) and patch changes (backwards-compatible bug fixes)
+
+For the versions available, see [tags on this repository](https://github.com/projecttacoma/cqm-parsers/tags).
 
 ## License
 
 Copyright 2018 The MITRE Corporation
 