Improve the release docs

Author: bbatsov

README.md

@@ -97,21 +97,28 @@ release locally:
 lein with-profile plugin.mranderson/config install
 ```
 
-Release to [clojars](https://clojars.org/):
+#### Using the Makefile
+
+...Or you can use the `Makefile` as:
 
 ```
-git tag -a v0.28.6 -m "0.28.6"
-git push --tags
+PROJECT_VERSION=0.28.6 make install
 ```
 
-#### Using the Makefile
+## Releasing to Clojars
 
-...Or you can use the `Makefile` as:
+**Note:** Make sure you've updated the changelog, `docs/antora.yml`, etc
+before cutting a new release.
+
+Release to [clojars](https://clojars.org/) by tagging a new release:
 
 ```
-PROJECT_VERSION=0.28.6 make install
+git tag -a v0.28.6 -m "Release 0.28.6"
+git push --tags
 ```
 
+The CI will take it from there.
+
 ## Hall of Fame
 
 Special credit goes to the following people for their contributions: