diff --git a/doc/development/design/index.mdwn b/doc/development/design/index.mdwn
index ce09b91..508c4ee 100644
--- a/doc/development/design/index.mdwn
+++ b/doc/development/design/index.mdwn
@@ -454,17 +454,17 @@
# Organisation of project
- Payload:
- * Env (for Environment):
+ * Env:
+ Language
+ DB (e.g., [[PostgreSQL|database/rdbms/postgresql]], MySQL)
+ XWindows
- * Sys (for System):
+ * Sys:
+ Operating system
+ Package management system
- * Serv (for Service):
+ * Serv:
+ Usually a web service
+ e.g., [[GitHub|service/github]], Sourceforge, Bitbucket, AppVeyor, Travis CI, Coveralls, Codecov
- * VCS: version control system
+ * VCS:
+ [[git|vcs/git]], [[bzr|vcs/bazaar]], [[svn|vcs/subversion]], cvs, etc.
- database
* `pkg/`: packages. These can be from source (for FOSS code) or binary-only (for proprietary code).