Adding note about pages

organizations.md

@@ -2,6 +2,8 @@
 
 Open source in academia is often driven by communities and non-profit organizations that work across institutions, fields, and boundaries.
 
+Right now, these do not have their own pages yet. If you would like to add context about a group, take a look at the [Contributing Guide](https://github.com/sustainers/academic-map/blob/main/contributing.md), which has notes on how to add a page. Any link in **bold** has a page with more context.
+
 ## Foundations and Fiscal Hosts
 
 Sorted alphabetically.
@@ -21,14 +23,14 @@ Sorted alphabetically.
 
 ## Communities of practice
 
-- [CHAOSS](./organizations/chaoss.md)
+- **[CHAOSS](./organizations/chaoss.md)**
 - [InnerSource Commons](https://innersourcecommons.org/)
 - [OSPO++](https://ospoplusplus.org/)
 - [ReSA](https://www.researchsoft.org/about-resa/)
 - [The Carpentries](https://carpentries.org)
   - [Software Carpentry](https://software-carpentry.org)
 - [TODO Group](https://todogroup.org/)
-- [URSSI](./organizations/urssi.md)
+- [URSSI](https://urssi.us/)
 
 ## Unsorted