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@@ -1,8 +1,12 @@
-# CCPP Framework
+# Note
+
+This branch (the `main` branch) is now frozen. Please update your applications to use the `develop` branch. 
+
+## CCPP Framework
 
 This repository contains the Common Community Physics Package (CCPP) Framework: The infrastructure that connects CCPP physics schemes with a host model, as well as stand-alone tools for use with CCPP.
 
-## Documentation
+### Documentation
 The CCPP Framework is designed to be used with the [CCPP Physics repository](https://github.com/NCAR/ccpp-physics) and a host model. Links to further information about this repository and its place in the context of the CCPP as a whole can be found on the [GitHub Wiki](https://github.com/NCAR/ccpp-framework/wiki).
 
 The CCPP Single Column Model (SCM) is designed as a simple host model for testing and development of the CCPP; information about building and using the CCPP in this context can be found in [the CCPP SCM Users Guide](https://dtcenter.org/sites/default/files/paragraph/scm-ccpp-guide-v6.0.0.pdf).