DOC: readme

README.md

 # FSL release manifest rules
 
-This repository contains scripts which are used in the fsl/conda/manifest>
-repository to generate, test, and deploy FSL release manifest and environment
-files. Refer to the fsl/conda/manifest> repository for more details.
+This repository contains CI configuration and scripts which are used in the
+fsl/conda/manifest> repository to generate, test, and deploy FSL release
+manifest and environment files. Refer to the fsl/conda/manifest> repository
+for more details.
+
 
 These scripts are hosted separately from the `fsl/conda/manifest` project so
 that they can be updated independently of FSL releases.
 
-Whenever changes to these scripts are made, the version number in
-`manifest_rules/__init__.py` must be incremented.
+
+Whenever changes to the contents of this repository are made, the version
+number in `manifest_rules/__init__.py` must be incremented.