fix: update readme

README.md

@@ -68,8 +68,8 @@ The Git repository contains the following directories under `cluster` and are or
 
 - **base** directory is the entrypoint to Flux
 - **crds** directory contains custom resource definitions (CRDs) that need to exist globally in your cluster before anything else exists
-- **core** directory are important infrastructure applications (grouped by namespace) that should never be pruned by Flux
-- **apps** directory is where your common applications (grouped by namespace) could be placed, Flux will prune resources here if they are not tracked by Git anymore
+- **core** directory (depends on **crds**) are important infrastructure applications (grouped by namespace) that should never be pruned by Flux
+- **apps** directory (depends on **core**) is where your common applications (grouped by namespace) could be placed, Flux will prune resources here if they are not tracked by Git anymore
 
 ```
 cluster