update documentation

README.md

@@ -75,7 +75,7 @@ This is done to not have a mandatory deploy for every minor commmit.
   * gitlab: merge with `master`
     * pipeline will start running: https://git.astron.nl/astron-sdc/atdb-ldv/-/pipelines
     * if 'passed' then click `>>` on the 'deploy' stage, this will deploy to test on sdc-dev
-    
+
   * gitlab: merge with `acceptance`
     * pipeline will start running: https://git.astron.nl/astron-sdc/atdb-ldv/-/pipelines
     * if 'passed' then click `>>` on the 'deploy' stage, this will deploy to acceptance on dop457
@@ -113,6 +113,7 @@ This is the procedure for that.
     > python manage.py migrate --settings=atdb.settings.dev
     - add new migration file to git
     - commit & push
+    - apply 'The Procedure' (see above) to deploy in test, acceptance and production.
 
   on CI/CD page: https://git.astron.nl/astron-sdc/atdb-ldv/-/pipelines