imporve redability

Author: ksuess

docs/install/source-step-by-step.md

@@ -129,7 +129,14 @@ For the configuration, you have two options:
 #### Generate Plone / Zope configuration with cookiecutter
 
 {term}`Cookiecutter` creates projects from project templates.
-{term}`cookiecutter-zope-instance` is such a template that allows to create a complete Zope configuration. Zope configuration means: blob storage, type of file storage (Zope style or relational database), ZEO, you name it.
+{term}`cookiecutter-zope-instance` is such a template that allows to create a complete Zope configuration. 
+Zope configuration means:
+
+- type of storage: direct filestorage/blobs, relational database, ZEO, you name it.
+- ports, 
+- threads/caches,
+- debugging/profiling options, 
+- ...
 
 Install cookiecutter: