h3(#uuid_prefix). uuid_prefix
-It is recommended to explicitly define your @uuid_prefix@ in @config/application.yml@, by setting the 'uuid_prefix' field in the section for your environment.
+Define your @uuid_prefix@ in @config/application.yml@ by setting the @uuid_prefix@ field in the section for your environment. This prefix is used for all database identifiers to identify the record as originating from this site. It must be exactly 5 alphanumeric characters (lowercase ASCII letters and digits).
h3(#git_repositories_dir). git_repositories_dir