Update README.md

updated CCS DOI, other tweaks

README.md

@@ -8,16 +8,20 @@ A project for interactions with PubChem
 * [PubChemLite Build Process Documentation](pubchemlite/README.org)
 * [Zenodo Submission Subsystem (Depositor)](pubchemlite/depositor/README.md)
 
-PubChemLite Versions:
+Major PubChemLite Versions:
 
  Version  | Description    |DOI/URL
 ----------|----------------|--------
- *Latest* | PCL-Exposomics (latest) | DOI:[10.5281/zenodo.5995885](https://doi.org/10.5281/zenodo.5995885)
+ ***Latest*** | PCL-Exposomics (latest) | DOI:[10.5281/zenodo.5995885](https://doi.org/10.5281/zenodo.5995885)
 01/01/2021| PCL-Exposomics | DOI:[10.5281/zenodo.4432124](https://doi.org/10.5281/zenodo.4432124)
-01/01/2021| PCL-Exposomics + CCS | DOI:[10.5281/zenodo.4432124](https://doi.org/10.5281/zenodo.4432124)
+01/01/2021| PCL-Exposomics + CCS | DOI:[10.5281/zenodo.4456208](https://doi.org/10.5281/zenodo.4456208)
 31/10/2020| PCL-Exposomics | DOI:[10.5281/zenodo.4183801](https://doi.org/10.5281/zenodo.4183801)
 14/01/2020| PCL-tier0&tier1 | DOI:[10.5281/zenodo.3611238](https://doi.org/10.5281/zenodo.3611238)
 
+Currently PubChemLite is building weekly and committed monthly to the DOI redirecting to the 
+"[***latest***](https://doi.org/10.5281/zenodo.5995885)" version. 
+Archives of other PubChemLite versions are visible within these Zenodo records. 
+
 
 ## PubChem/NORMAN-SLE Integration
 * [Transformations Documentation](annotations/tps/README.md)